Re: [gentoo-user] IPTables question... simple as possible for starters

2013-12-31 Thread Pandu Poluan
On Dec 30, 2013 7:31 PM, shawn wilson ag4ve...@gmail.com wrote: Minor additions to what Pandu said... On Mon, Dec 30, 2013 at 7:02 AM, Pandu Poluan pa...@poluan.info wrote: On Mon, Dec 30, 2013 at 6:07 PM, Tanstaafl tansta...@libertytrek.org wrote: The numbers within [brackets] are

Re: [gentoo-user] IPTables question... simple as possible for starters

2013-12-31 Thread shawn wilson
On Tue, Dec 31, 2013 at 9:08 AM, Pandu Poluan pa...@poluan.info wrote: On Dec 30, 2013 7:31 PM, shawn wilson ag4ve...@gmail.com wrote: Minor additions to what Pandu said... On Mon, Dec 30, 2013 at 7:02 AM, Pandu Poluan pa...@poluan.info wrote: On Mon, Dec 30, 2013 at 6:07 PM, Tanstaafl

Re: [gentoo-user] IPTables question... simple as possible for starters

2013-12-30 Thread Tanstaafl
On 2013-12-29 1:39 PM, shawn wilson ag4ve...@gmail.com wrote: On Sun, Dec 29, 2013 at 1:07 PM, Tanstaafl tansta...@libertytrek.org wrote: Hi all, Ok, I'm setting up a new server, and I'd like to rethink my iptables rules. I'd like to start with something fairly simple: 1. Allow connections

Re: [gentoo-user] IPTables question... simple as possible for starters

2013-12-30 Thread Pandu Poluan
On Mon, Dec 30, 2013 at 6:07 PM, Tanstaafl tansta...@libertytrek.org wrote: [-- LE SNIP --] Ok, well, maybe I should have posted my entire ruleset... I have this above where I define my chains: # *filter :INPUT DROP [0:0] :FORWARD DROP [0:0] :OUTPUT DROP [0:0] # Does it matter where

Re: [gentoo-user] IPTables question... simple as possible for starters

2013-12-30 Thread shawn wilson
Minor additions to what Pandu said... On Mon, Dec 30, 2013 at 7:02 AM, Pandu Poluan pa...@poluan.info wrote: On Mon, Dec 30, 2013 at 6:07 PM, Tanstaafl tansta...@libertytrek.org wrote: The numbers within [brackets] are statistics/countes. Just replace them with [0:0], unless you really really

[gentoo-user] IPTables question... simple as possible for starters

2013-12-29 Thread Tanstaafl
Hi all, Ok, I'm setting up a new server, and I'd like to rethink my iptables rules. I'd like to start with something fairly simple: 1. Allow connections from anywhere ONLY to certain ports ie, for encrypted IMAP/SMTP connections from users 2. Allow connections from only certain IP addresses

Re: [gentoo-user] IPTables question... simple as possible for starters

2013-12-29 Thread shawn wilson
On Sun, Dec 29, 2013 at 1:07 PM, Tanstaafl tansta...@libertytrek.org wrote: Hi all, Ok, I'm setting up a new server, and I'd like to rethink my iptables rules. I'd like to start with something fairly simple: 1. Allow connections from anywhere ONLY to certain ports ie, for encrypted

Re: [gentoo-user] iptables question...

2011-12-17 Thread Hari Purnama
On 12/16/11 22:17, Tanstaafl wrote: Hi all, I was reading up on some iptables rules in the gentoo security handbook: http://www.gentoo.org/doc/en/security/security-handbook.xml?part=1chap=12style=printable It mentions DROPing packets with an INVALID state. It sounded/sounds like a good

Re: [gentoo-user] iptables question...

2011-12-17 Thread Tanstaafl
On 2011-12-17 11:34 AM, Hari Purnama h...@mapits.com wrote: Did you put the log-prefix rule before or after the LOG rule? After - the log prefix rule is last... Or why didn't you put it in a 1liner, say: -A INPUT -i eth0 -m state --state INVALID -j LOG --log-level 7 --log-prefix (fw-drop):

[gentoo-user] iptables question...

2011-12-16 Thread Tanstaafl
Hi all, I was reading up on some iptables rules in the gentoo security handbook: http://www.gentoo.org/doc/en/security/security-handbook.xml?part=1chap=12style=printable It mentions DROPing packets with an INVALID state. It sounded/sounds like a good idea, so I added the following rule: -A

Re: [gentoo-user] IPtables question

2007-02-02 Thread Pawel Kraszewski
Dnia środa, 31 stycznia 2007, James Colby napisał: I have a small home server that I have connected to the internet through a linksys router and cable modem. The linksys router is currently forwarding all ssh traffic to my gentoo box. What I would ^ Take note, that

Re: [gentoo-user] IPtables question

2007-02-02 Thread Hans-Werner Hilse
Hi, On Fri, 2 Feb 2007 09:45:53 +0100 Pawel Kraszewski [EMAIL PROTECTED] wrote: Dnia środa, 31 stycznia 2007, James Colby napisał: I have a small home server that I have connected to the internet through a linksys router and cable modem. The linksys router is currently forwarding all

Re: [gentoo-user] IPtables question

2007-02-02 Thread Pawel Kraszewski
Dnia piątek, 2 lutego 2007, Hans-Werner Hilse napisał: Nope, just the target Adress is rewritten (by routing). DNAT is Destination NAT! I.e. the target IP of the packet is rewritten. Since the Linksys is the default gateway, packets can keep their source IP address. Of course, the source MAC

Re: [gentoo-user] IPtables question

2007-01-31 Thread Mick
On Wednesday 31 January 2007 20:56, Albert Hopkins wrote: On Wed, 2007-01-31 at 15:36 -0500, James Colby wrote: List members - I have a small home server that I have connected to the internet through a linksys router and cable modem. The linksys router is currently forwarding all ssh

Re: [gentoo-user] IPtables question

2007-01-31 Thread Norberto Bensa
James Colby wrote: currently forwarding all ssh traffic to my gentoo box. What I would like to do is set up iptables to only allow ssh logins from a small number of internet hosts, iptables -A INPUT -s ip-address-of-know-host --dport 22 -j ACCEPT and to reject and log all other ssh

[gentoo-user] iptables question

2006-03-28 Thread Hiren Dave
Hi, I want to configure firewall such that network 192.168.1.0/24 canonly access http server from server1(192.168.0.2/24) andnetwork 192.168.0.0/24 can not access http server. So I tried this: #service iptables stop#iptables -P INPUT DROP#iptables -t filter -A INPUT -s 192.168.1.0/24 --dport 80

Re: [gentoo-user] iptables question

2006-03-28 Thread Boyd Stephen Smith Jr.
On Tuesday 28 March 2006 07:38, Hiren Dave [EMAIL PROTECTED] wrote about '[gentoo-user] iptables question': #service iptables stop #iptables -P INPUT DROP #iptables -t filter -A INPUT -s 192.168.1.0/24 --dport 80 -j ACCEPT But this command sends error that Unknown arg: --dport HOW CAN I

Re: [gentoo-user] iptables question

2006-03-28 Thread Uwe Thiem
On 28 March 2006 15:38, Hiren Dave wrote: Hi, I want to configure firewall such that network 192.168.1.0/24 can only access http server from server1(192.168.0.2/24) and network 192.168.0.0/24 can not access http server. So I tried this: #service iptables stop #iptables -P INPUT DROP

Re: [gentoo-user] iptables question

2006-03-28 Thread JimD
On Tue, 28 Mar 2006 19:08:38 +0530 Hiren Dave [EMAIL PROTECTED] wrote: Hi, I want to configure firewall such that network 192.168.1.0/24 can only access http server from server1(192.168.0.2/24) and network 192.168.0.0/24 can not access http server. So I tried this: #service iptables stop

[gentoo-user] iptables question

2006-01-20 Thread Dmitry S. Makovey
somewhat offtopic, but since I need any help I can get: how do I redirect trafic from outward facing interface (192.168.1.114:80) to loopback device (127.0.0.1:80) ? my most obvious trick: iptables -t nat -A PREROUTING -p tcp -d 192.168.1.114 --dport 80 \ -j DNAT --to 127.0.0.1:80 and

Re: [gentoo-user] iptables question

2006-01-20 Thread Trenton Adams
Under the *nat rule, -A PREROUTING -i eth0 -p tcp -m tcp --dport 58443 -j DNAT --to 192.168.7.1:443 Under the *filter rules. -A ADAMS-FW-INPUT -i eth0 -m state --state NEW -m tcp -p tcp --dport 443 -j ACCEPT On 1/20/06, Dmitry S. Makovey [EMAIL PROTECTED] wrote: somewhat offtopic, but since

Re: [gentoo-user] iptables question

2006-01-20 Thread Dmitry S. Makovey
On Friday 20 January 2006 13:49, Trenton Adams wrote: Under the *nat rule, -A PREROUTING -i eth0 -p tcp -m tcp --dport 58443 -j DNAT --to 192.168.7.1:443 Under the *filter rules. -A ADAMS-FW-INPUT -i eth0 -m state --state NEW -m tcp -p tcp --dport 443 -j ACCEPT I tried similar