Re: Get the external IP address from a Linux box

2018-06-02 Thread David Wright
following the "weak host" model (like > >Linux does) can advertise any local address on any interface. It > >can be tested with arping. However I am failing to imagine any > >plausible scenario which could lead a host on the internal LAN to > >have the router's exte

Re: Get the external IP address from a Linux box

2018-06-02 Thread David Wright
écrit : > >> >> On 2018-05-24, André Rodier wrote: > >> >>> > >> >>> I am looking for a native package on Debian, that can give me the > >> >>> external IP address of the machine. > >> >> > >>

Re: Get the external IP address from a Linux box

2018-05-30 Thread Joel Rees
gt; as an administrator. That method will depend entirely on the >> > > router. >> > >> > If the router supports upnp and it is activated, you can check the >> > external IP in an device-independent way with >> > >> > upnpc -l | grep ExternalIPAddres

Re: Get the external IP address from a Linux box

2018-05-29 Thread Greg Wooledge
On Fri, May 25, 2018 at 09:13:34PM -0400, Kenneth Parker wrote: > Thank you most kindly, Mike! Is there anything from this, that can help > the original Poster? Sign onto yourself, from a VPN or some such? It's conceptually the same as getting a web service to tell you what IP address it "saw"

Re: Get the external IP address from a Linux box

2018-05-29 Thread Pascal Hambourg
plausible scenario which could lead a host on the internal LAN to have the router's external IP address in its ARP cache. It means that either : - the host sends an ARP query for the router's external IP address I guess this could happen if the host has a direct default route (no gateway) and the r

Re: Get the external IP address from a Linux box

2018-05-29 Thread Alan Greenberger
gt; >>> I am looking for a native package on Debian, that can give me the >> >>> external IP address of the machine. >> >> >> >> Assuming you are looking for the public internet address of your router, >> >> you could try: >> >

Re: Get the external IP address from a Linux box

2018-05-28 Thread Pascal Hambourg
could lead a host on the internal LAN to have the router's external IP address in its ARP cache. It means that either : - the host sends an ARP query for the router's external IP address - the router sends an ARP query to the host from its external IP address

Re: Get the external IP address from a Linux box

2018-05-28 Thread David Wright
On Mon 28 May 2018 at 07:54:49 (-0400), Alan Greenberger wrote: > On 2018-05-26, Pascal Hambourg wrote: > > Le 25/05/2018 à 02:17, Alan Greenberger a écrit : > >> On 2018-05-24, André Rodier wrote: > >>> > >>> I am looking for a native package on Debi

Re: Get the external IP address from a Linux box

2018-05-28 Thread Alan Greenberger
On 2018-05-26, Pascal Hambourg <pas...@plouf.fr.eu.org> wrote: > Le 25/05/2018 à 02:17, Alan Greenberger a écrit : >> On 2018-05-24, André Rodier <an...@rodier.me> wrote: >>> >>> I am looking for a native package on Debian, that can give me the

Re: Get the external IP address from a Linux box

2018-05-27 Thread Andrew McGlashan
Hi, On 27/05/18 22:14, André Rodier wrote: >> My script also does the Google DNS lookup. > I have four IP addresses, and Goodle DNS returns the first one, > although I query from the second one. Are you sure that isn't a problem at your end? How your firewall is identifying and routing the

Get the external IP address from a Linux box

2018-05-27 Thread Andrew McGlashan
Hi, On 26/05/18 20:53, André Rodier wrote: > The code is on github, as part of my small homebox project. I am not > sure it deserves a dedicated repository ;-). > > https://github.com/progmaticltd/homebox/blob/dev-arodier/install/playbo > oks/roles/system-prepare/files/external-i

Re: Get the external IP address from a Linux box

2018-05-26 Thread Pascal Hambourg
Le 25/05/2018 à 02:17, Alan Greenberger a écrit : On 2018-05-24, André Rodier <an...@rodier.me> wrote: I am looking for a native package on Debian, that can give me the external IP address of the machine. Assuming you are looking for the public internet address of your router, you cou

Re: Get the external IP address from a Linux box

2018-05-26 Thread Richard Hector
On 24/05/18 18:59, Joe wrote: > To begin with, try: > > ip addr show > > and look for the block of information with a label beginning 'eth' or > 'en'. That will contain the Ethernet adaptor IP address. From your > question, I assume your computer contains only one. > > The address returned by

Re: Get the external IP address from a Linux box

2018-05-25 Thread Kenneth Parker
Thank you most kindly, Mike! Is there anything from this, that can help the original Poster? Sign onto yourself, from a VPN or some such? (Back in the "good old days" where being a "hacker" was Respectable, people would see if they could reconnect to their own Unix/Linux System, through as many

Re: Get the external IP address from a Linux box

2018-05-25 Thread Michael Stone
On Fri, May 25, 2018 at 09:03:15PM -0400, Kenneth Parker wrote: I haven't reviewed the Source Code for the "who" command, to see how it gets that IP Address.  Anybody? It gets it from your login program or pam writing to /var/run/utmp Mike Stone

Re: Get the external IP address from a Linux box

2018-05-25 Thread Kenneth Parker
I have Shell Access (as Admin) to a "Cloud" System (Ubuntu 16.04 Server, but due to be Reinstalled as Debian 9.4. Go Debian!) When I ssh in, to my "Regular Account", I type "who", and get the External IP Address for my Spectrum Broadband access. What

Re: Get the external IP address from a Linux box

2018-05-25 Thread Dan Purgert
Abdullah Ramazanoğlu wrote: > On Thu, 24 May 2018 11:04:51 - (UTC) Dan Purgert said: > >> Ew, CGNAT. :( >> >> If you have a particularly poor ISP, they may even NAT you somewhere >> insane outside of RFC1918 (10.0.0.0 - 10.255.255.255 / 172.16.0.0 - >> 172.31.255.255 / 192.168.0.0 -

Re: Get the external IP address from a Linux box

2018-05-24 Thread Alan Greenberger
On 2018-05-24, André Rodier <an...@rodier.me> wrote: > Hello, > > I am looking for a native package on Debian, that can give me the > external IP address of the machine. > Assuming you are looking for the public internet address of your router, you could try: /usr/sbin/arp

Re: Get the external IP address from a Linux box

2018-05-24 Thread Miles Fidelman
L, etc.) and there will be a method of determining that by connecting to the router as an administrator. That method will depend entirely on the router. If the router supports upnp and it is activated, you can check the external IP in an device-independent way with upnpc -l | grep ExternalIPAddress The miniupnpc

Get the external IP address from a Linux box

2018-05-24 Thread Erwan David
ADSL, etc.) and >>> there will be a method of determining that by connecting to the router >>> as an administrator. That method will depend entirely on the router. >> If the router supports upnp and it is activated, you can check the >> external IP in an device-independent way wit

Re: Get the external IP address from a Linux box

2018-05-24 Thread Stefan Monnier
at by connecting to the router >> as an administrator. That method will depend entirely on the router. > > If the router supports upnp and it is activated, you can check the > external IP in an device-independent way with > > upnpc -l | grep ExternalIPAddress The miniupnpc Debian package even

Re: Get the external IP address from a Linux box

2018-05-24 Thread Dan Purgert
Greg Wooledge wrote: > On Thu, May 24, 2018 at 07:22:56AM +0100, André Rodier wrote: >> I am looking for a native package on Debian, that can give me the >> external IP address of the machine. > > wget --quiet -O- http://wooledge.org/myip.cgi > > Or your favorite alte

Re: Get the external IP address from a Linux box

2018-05-24 Thread Greg Wooledge
On Thu, May 24, 2018 at 07:22:56AM +0100, André Rodier wrote: > I am looking for a native package on Debian, that can give me the > external IP address of the machine. wget --quiet -O- http://wooledge.org/myip.cgi Or your favorite alternative "tell me what my IP address is" web

Re: Get the external IP address from a Linux box

2018-05-24 Thread Peter Ludikovsky
curl https://icanhazip.com Regards, /peter On 2018-05-24 08:22, André Rodier wrote: Hello, I am looking for a native package on Debian, that can give me the external IP address of the machine. So far, I used internet sites, but I am sure there is a package that do that properly, especially

Re: Get the external IP address from a Linux box

2018-05-24 Thread Dan Purgert
Abdullah Ramazanoğlu wrote: > On Thu, 24 May 2018 07:22:56 +0100 André Rodier said: > >> I am looking for a native package on Debian, that can give me the >> external IP address of the machine. >> >> So far, I used internet sites, but I am sure there is a pa

Re: Get the external IP address from a Linux box

2018-05-24 Thread Joe
; IP address will be that of the router WAN port (cable, ADSL, etc.) > > > and > > > there will be a method of determining that by connecting to the > > > router > > > as an administrator. That method will depend entirely on the > > > router. > >

Re: Get the external IP address from a Linux box

2018-05-24 Thread tomas
In that case, the NAT will be at your provider's side. At the end, it'll be NAT too (NAT == "your external IP isn't what it seems to be"). Cheers - -- t -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.12 (GNU/Linux) iEYEARECAAYFAlsGbbQACgkQBcgs9XrR2ka9cACeNyvIhBUgdYL4DJ374mxFHY9v y

Re: Get the external IP address from a Linux box

2018-05-24 Thread Abdullah Ramazanoğlu
On Thu, 24 May 2018 07:22:56 +0100 André Rodier said: > I am looking for a native package on Debian, that can give me the > external IP address of the machine. > > So far, I used internet sites, but I am sure there is a package that do > that properly, especially if one site

Re: Get the external IP address from a Linux box

2018-05-24 Thread tomas
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Thu, May 24, 2018 at 08:13:54AM +0100, André Rodier wrote: [...] > Thank you, finally an answer that make sense and is not pedantic. Thank *you* for the "pedantic" ;-) And to return the favour, here's why you don't really want to have UPnP on

Re: Get the external IP address from a Linux box

2018-05-24 Thread John Conover
likcoras writes: > >> > >> I am looking for a native package on Debian, that can give me the > >> external IP address of the machine. > >> > > > > Hi Andre. > > > > Type "ifconfig" without the quotes. The record you are

Re: Get the external IP address from a Linux box

2018-05-24 Thread Alberto Luaces
end entirely on the router. If the router supports upnp and it is activated, you can check the external IP in an device-independent way with upnpc -l | grep ExternalIPAddress -- Alberto

Re: Get the external IP address from a Linux box

2018-05-24 Thread Joe
On Thu, 24 May 2018 07:22:56 +0100 André Rodier <an...@rodier.me> wrote: > Hello, > > I am looking for a native package on Debian, that can give me the > external IP address of the machine. > > So far, I used internet sites, but I am sure there is a package that > d

Re: Get the external IP address from a Linux box

2018-05-24 Thread likcoras
On 05/24/2018 03:48 PM, John Conover wrote: > =?ISO-8859-1?Q?Andr=E9?= Rodier writes: >> >> I am looking for a native package on Debian, that can give me the >> external IP address of the machine. >> > > Hi Andre. > > Type "ifconfig" without the

Re: Get the external IP address from a Linux box

2018-05-24 Thread tomas
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Thu, May 24, 2018 at 07:22:56AM +0100, André Rodier wrote: > Hello, > > I am looking for a native package on Debian, that can give me the > external IP address of the machine. Before embarking in such a task, you might want to c

Re: Get the external IP address from a Linux box

2018-05-24 Thread John Conover
=?ISO-8859-1?Q?Andr=E9?= Rodier writes: > > I am looking for a native package on Debian, that can give me the > external IP address of the machine. > Hi Andre. Type "ifconfig" without the quotes. The record you are looking for is inet addr: for IPV4. Its about the se

Re: External IP

2008-04-29 Thread Tzafrir Cohen
On Sun, Apr 27, 2008 at 10:29:05AM +0900, Osamu Aoki wrote: On Sun, Apr 27, 2008 at 06:28:43AM +0530, L.V.Gandhi wrote: On Fri, Apr 25, 2008 at 9:23 AM, Kamaraju S Kusumanchi [EMAIL PROTECTED] wrote: Daniel Ngu wrote: Hi, How do I find out what's the dynamic IP I get when

Re: External IP

2008-04-27 Thread Andrei Popescu
On Sun, Apr 27, 2008 at 08:55:41AM +0530, Kumar Appaiah wrote: On Sat, Apr 26, 2008 at 11:07:26PM -0400, Andrew Reid wrote: Debian has an awesome search utility at http://www.debian.org/distrib/packages. At the bottom of the page, there's a Search the contents of packages tool, which

Re: External IP

2008-04-26 Thread L . V . Gandhi
On Fri, Apr 25, 2008 at 9:23 AM, Kamaraju S Kusumanchi [EMAIL PROTECTED] wrote: Daniel Ngu wrote: Hi, How do I find out what's the dynamic IP I get when connected to my ISP? I'm not broadband BTW. I use links2 -dump checkip.dyndns.org | cut -f2 -d: To which package links2

Re: External IP

2008-04-26 Thread Osamu Aoki
On Sun, Apr 27, 2008 at 06:28:43AM +0530, L.V.Gandhi wrote: On Fri, Apr 25, 2008 at 9:23 AM, Kamaraju S Kusumanchi [EMAIL PROTECTED] wrote: Daniel Ngu wrote: Hi, How do I find out what's the dynamic IP I get when connected to my ISP? I'm not broadband BTW. I use

Re: External IP

2008-04-26 Thread Kevin Mark
On Sun, Apr 27, 2008 at 06:28:43AM +0530, L.V.Gandhi wrote: On Fri, Apr 25, 2008 at 9:23 AM, Kamaraju S Kusumanchi [EMAIL PROTECTED] wrote: Daniel Ngu wrote: Hi, How do I find out what's the dynamic IP I get when connected to my ISP? I'm not broadband BTW. I use

Re: External IP

2008-04-26 Thread Andrew Reid
On Saturday 26 April 2008 20:58, L.V.Gandhi wrote: To which package links2 belongs. How to find out for any command? Debian has an awesome search utility at http://www.debian.org/distrib/packages. At the bottom of the page, there's a Search the contents of packages tool, which will tell you

Re: External IP

2008-04-26 Thread Kumar Appaiah
On Sat, Apr 26, 2008 at 11:07:26PM -0400, Andrew Reid wrote: Debian has an awesome search utility at http://www.debian.org/distrib/packages. At the bottom of the page, there's a Search the contents of packages tool, which will tell you what package a given file comes from.

Re: External IP

2008-04-26 Thread NN_il_Confusionario
On Sun, Apr 27, 2008 at 10:29:05AM +0900, Osamu Aoki wrote: On Sun, Apr 27, 2008 at 06:28:43AM +0530, L.V.Gandhi wrote: To which package links2 belongs. How to find out for any command? $ apt-file search links2 |grep -e '/links2$' See more in *

Re: External IP

2008-04-24 Thread Kamaraju S Kusumanchi
Daniel Ngu wrote: Hi, How do I find out what's the dynamic IP I get when connected to my ISP? I'm not broadband BTW. I use links2 -dump checkip.dyndns.org | cut -f2 -d: raju -- Kamaraju S Kusumanchi http://www.people.cornell.edu/pages/kk288/ http://malayamaarutham.blogspot.com/ -- To

External IP

2008-04-22 Thread Daniel Ngu
Hi, How do I find out what's the dynamic IP I get when connected to my ISP? I'm not broadband BTW. Thanks. Regards, Daniel -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]

Re: External IP

2008-04-22 Thread Steve Witt
On Tue, 22 Apr 2008, Daniel Ngu wrote: Hi, How do I find out what's the dynamic IP I get when connected to my ISP? I'm not broadband BTW. How do you connect? Is your computer connected directly to your ISP connection? Assuming it is Linux box then: /sbin/ifconfig will show the IP

Re: External IP

2008-04-22 Thread Andrew Reid
On Tuesday 22 April 2008 19:39, Daniel Ngu wrote: Hi, How do I find out what's the dynamic IP I get when connected to my ISP? I'm not broadband BTW. I use www.whatsmyip.org, I have NAT at home, and the far side of my DSL modem is a private class-A address (10.0.something.something), so

Re: External IP

2008-04-22 Thread Daniel Ngu
On 2008-04-23, Andrew Reid [EMAIL PROTECTED] wrote: On Tuesday 22 April 2008 19:39, Daniel Ngu wrote: I use www.whatsmyip.org, Thanks, tried the URL and it worked. ifconfig on the other hand showed my internal IP rather. Regards, Daniel -- To UNSUBSCRIBE, email to [EMAIL PROTECTED]

Re: External IP

2008-04-22 Thread Celejar
parse html to read your external IP address from your router's status page. I don't know if there's a clean way to use that functionality independently of ddclient itself. Andrew Reid / [EMAIL PROTECTED] Celejar -- mailmin.sourceforge.net - remote access via secure (OpenPGP) email

Re: External IP

2008-04-22 Thread Rafael Fontenelle
probably do some tricky tracert thing. ddclient can parse html to read your external IP address from your router's status page. I don't know if there's a clean way to use that functionality independently of ddclient itself. Andrew Reid / [EMAIL PROTECTED] Celejar

Re: External IP

2008-04-22 Thread Lee Glidewell
On Tuesday 22 April 2008 10:12:41 pm Rafael Fontenelle wrote: I can see that you're running behind a router or something similar. If you want to use a shell script to return the IP to the stdout, you could probably use 'curl'. I have this feeling that my last response to this thread never made

Re: External IP

2008-04-22 Thread Rich Healey
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Lee Glidewell wrote: On Tuesday 22 April 2008 10:12:41 pm Rafael Fontenelle wrote: I can see that you're running behind a router or something similar. If you want to use a shell script to return the IP to the stdout, you could probably use 'curl'.

Re: External IP

2008-04-22 Thread Rich Healey
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Rafael asked for source.. So my stroke of genius follows... [EMAIL PROTECTED] ~/public_html]$ cat ip.php ?PHP print ($_SERVER['REMOTE_ADDR']) ? [EMAIL PROTECTED] ~/public_html]$ -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.6 (GNU/Linux)

Re: External IP

2008-04-22 Thread Rafael Fontenelle
2008/4/23, Rich Healey [EMAIL PROTECTED]: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Rafael asked for source.. So my stroke of genius follows... [EMAIL PROTECTED] ~/public_html]$ cat ip.php ?PHP print ($_SERVER['REMOTE_ADDR']) ? [EMAIL PROTECTED] ~/public_html]$ -BEGIN PGP

external ip and DNS

2006-10-04 Thread Andrew Critchlow
Hi, a little off subject, but i was wondering if anyone could help? I have domain and dns server which is registered on the net. This will need an external ip for www usage as it will host a website. I also want to add a mail server for the company, will this require another external ip address

RE: external ip and DNS

2006-10-04 Thread Stephen Yorke
Depending on how you setup your Firewallyou could have all of these services plus more on a single external IP address I do Web hosting and have around 80 websites, SSH and more on a single IP address as well as 20 Mail servers on an other single IP addressbut I could have had all

Re: external ip and DNS

2006-10-04 Thread Andrei Popescu
Andrew Critchlow [EMAIL PROTECTED] wrote: Hi, a little off subject, but i was wondering if anyone could help? I have domain and dns server which is registered on the net. This will need an external ip for www usage as it will host a website. I also want to add a mail server

Re: network problem: configuration/DNS? cannot access internalmachine using our external IP

2003-02-17 Thread David Raleigh Arnold
On Sunday 16 February 2003 09:20 pm, Pigeon wrote: On Sun, Feb 16, 2003 at 05:39:05PM +0100, Jerome Lacoste (Frisurf) wrote: On Thu, 2003-02-13 at 18:10, Jeremy Gaddis wrote: Yes, just stick 'nameserver a.b.c.d' in /etc/resolv.conf where a.b.c.d is the address of your local nameserver.

Re: network problem: configuration/DNS? cannot access internalmachine using our external IP

2003-02-16 Thread Lacoste (Frisurf)
On Thu, 2003-02-13 at 19:13, Mark Ferlatte wrote: Jerome Lacoste (Frisurf) said on Thu, Feb 13, 2003 at 10:41:12AM +0100: Your gateway/router is working as designed. The internal (LAN) and external (WAN/Internet) are kept separated. This means that no WAN IP can try to connect directly

RE: network problem: configuration/DNS? cannot accessinternalmachine using our external IP

2003-02-16 Thread Lacoste (Frisurf)
internet) that does a lookup for the same host gets redirected to my external ip. then i have 80/tcp port-forwarded into the network to the 192.168.0.x address... if you understand that. If I understand you, your local DNS only revolves for names within your internal domain. Your solution

Re: [Fwd: network problem: configuration/DNS? cannot accessinternal machine using our external IP

2003-02-16 Thread Lacoste (Frisurf)
like your router isn't allowing DNS packets to go from behind your internal network to your nameservers. In addition, it sounds like your router/firewall is blocking ssh traffic from your internal network to your external IP. The solution is perhaps as Jeremy pointed out to have an internal DNS

RE: network problem: configuration/DNS? cannot access internalmachineusing our external IP

2003-02-16 Thread Jeremy Gaddis
gets the a record from the internal nameservers, pointing at 192.168.0.x. anyone outside of my network (e.g. on the public internet) that does a lookup for the same host gets redirected to my external ip. then i have 80/tcp port-forwarded into the network to the 192.168.0.x address

Re: network problem: configuration/DNS? cannot access internalmachine using our external IP

2003-02-16 Thread Pigeon
nameservers, pointing at 192.168.0.x. anyone outside of my network (e.g. on the public internet) that does a lookup for the same host gets redirected to my external ip. then i have 80/tcp port-forwarded into the network to the 192.168.0.x address... if you understand that. If I understand

[Fwd: network problem: configuration/DNS? cannot access internalmachine using our external IP

2003-02-13 Thread Lacoste (Frisurf)
), I can ping my EXT-IP, but cannot traceroute it. If I log into my router and do a traceroute EXT-IP it still doesn't give me any result (even thought it is my external ip address!). If I do a ping, it still works. I thought that this difference came from my router firewall settings. So I

Re: network problem: configuration/DNS? cannot access internalmachine using our external IP

2003-02-13 Thread Lacoste (Frisurf)
On Wed, 2003-02-12 at 20:20, Gary Turner wrote: Jerome Lacoste (Frisurf) wrote: Summary: If I try to connect to an internal server given its dyndns.org hostname, it works from the outside world, but fails if I try from within our intranet. I have this network configuration E |

Re: network problem: configuration/DNS? cannot access internal machine using our external IP

2003-02-13 Thread Gary Turner
Jerome Lacoste (Frisurf) wrote: On Wed, 2003-02-12 at 20:20, Gary Turner wrote: Jerome Lacoste (Frisurf) wrote: Summary: If I try to connect to an internal server given its dyndns.org hostname, it works from the outside world, but fails if I try from within our intranet. [...] Your

RE: network problem: configuration/DNS? cannot access internalmachine using our external IP

2003-02-13 Thread Jeremy Gaddis
redirected to my external ip. then i have 80/tcp port-forwarded into the network to the 192.168.0.x address... if you understand that. ymmv, you may or may not be able to come up with something similar to use in your situation. j. -- Jeremy L. Gaddis [EMAIL PROTECTED] http://www.gaddis.org

Re: network problem: configuration/DNS? cannot access internal machine using our external IP

2003-02-13 Thread Mark Ferlatte
Jerome Lacoste (Frisurf) said on Thu, Feb 13, 2003 at 10:41:12AM +0100: Your gateway/router is working as designed. The internal (LAN) and external (WAN/Internet) are kept separated. This means that no WAN IP can try to connect directly with an internal address. Nor is it allowed to use

Re: [Fwd: network problem: configuration/DNS? cannot access internal machine using our external IP

2003-02-13 Thread Mark Ferlatte
internal network to your nameservers. In addition, it sounds like your router/firewall is blocking ssh traffic from your internal network to your external IP. From a windows machine, pring and tracert to EXT-IP work. From any Linux machine on my network (M), I can ping my EXT-IP, but cannot

network problem: configuration/DNS? cannot access internal machineusing our external IP

2003-02-12 Thread Lacoste (Frisurf)
From a windows machine, pring and tracert to EXT-IP work. From any Linux machine on my network (M), I can ping my EXT-IP, but cannot traceroute it. If I log into my router and do a traceroute EXT-IP it still doesn't give me any result (even thought it is my external ip address!). If I do

Re: network problem: configuration/DNS? cannot access internal machine using our external IP

2003-02-12 Thread Gary Turner
Jerome Lacoste (Frisurf) wrote: Summary: If I try to connect to an internal server given its dyndns.org hostname, it works from the outside world, but fails if I try from within our intranet. I have this network configuration E | Internet | | (EXT-IP) ** R ** (Firewall) |

Re: network problem: configuration/DNS? cannot access internal machine using our external IP

2003-02-12 Thread Wilfried Essig
Dear Jerome, looks like you have two problems : First : Ping works - tracroute not Are using your Wxx and Linx-Boxes same DNS? If yes, try traceroute -n EXT-IP on your Linux boxes. (Ping doesn't a try to get the name for the given ip-address, but traceroute does - and DNS-timeouts are rather

External IP Address

2001-09-01 Thread Hereward Cooper
Hi, How can I get my machine to automatically update a file with my current dynamic IP address? Is there a enviroment varriable which i can read it from, write it to a file, then upload it to a hidden section of a public web site, so that selected people (who know where the file is) can use it to

Re: External IP Address

2001-09-01 Thread dman
On Sat, Sep 01, 2001 at 01:40:00PM +, Hereward Cooper wrote: | Hi, | How can I get my machine to automatically update a file with my | current dynamic IP address? Is there a enviroment varriable | which i can read it from, write it to a file, then upload it to | a hidden section of a public

Re: Re: External IP Address

2001-09-01 Thread Hereward Cooper
/sbin/ifconfig will display the IP address of all interfaces It would be really hard for those people to ssh in and read that file unless they first knew the IP, in which case they wouldn't need the file ... I know that, what i wanted was a system that would read the IP address,

Re: Re: External IP Address

2001-09-01 Thread Hereward Cooper
I'll attach a perl snippet that I used when on modem, might give you some ideas. Stuff between ¤¤'s need to be adapted - mainly account specific stuff. To make it autoexecute on connection - just place it (with a non-ignorable name) in /etc/ppp/ip-up.d looks like just what i was

Re: Re: External IP Address

2001-09-01 Thread dman
On Sat, Sep 01, 2001 at 02:50:13PM +, Hereward Cooper wrote: | /sbin/ifconfig | will display the IP address of all interfaces | | It would be really hard for those people to ssh in and read | that file | unless they first knew the IP, in which case they wouldn't | need the | file

Re: Re: External IP Address

2001-09-01 Thread Craig Dickson
Hereward Cooper wrote: I know that, what i wanted was a system that would read the IP address, write it to a file, upload the file to a webserver somewhere, people then read the file, get my ip address and login. Long-winded, but the only way i though of. Uh, why don't you just set up an

Re: External IP Address

2001-09-01 Thread Rino Mardo
current ip address is. just remember the name. hth. - Original Message - From: Hereward Cooper [EMAIL PROTECTED] To: debian-user@lists.debian.org Sent: Saturday, September 01, 2001 9:40 PM Subject: External IP Address Hi, How can I get my machine to automatically update a file with my