RE: dns interceptors

2010-02-18 Thread Justin Krejci
queries over the socks proxy. -Original Message- From: Patrick W. Gilmore [mailto:patr...@ianai.net] Sent: Sunday, February 14, 2010 11:42 AM To: North American Network Operators Group Subject: Re: dns interceptors On Feb 14, 2010, at 12:37 PM, Jason Frisvold wrote: On Feb 13, 2010, at 4:58

Re: dns interceptors [SEC=UNCLASSIFIED]

2010-02-15 Thread Tony Finch
I like Ben Goldacre's take on stupid email disclaimers: READ CAREFULLY. By reading this email, you agree, on behalf of your employer, to release me from all obligations and waivers arising from any and all NON-NEGOTIATED agreements, licenses, terms-of-service, shrinkwrap, clickwrap, browsewrap,

Re: dns interceptors

2010-02-15 Thread Valdis . Kletnieks
On Sun, 14 Feb 2010 18:59:56 EST, Steven Bellovin said: Yes -- and as a reward for your expertise, you get to explain the problem with a transparent DNS proxy to the judge. For bonus points, explain it to a jury The transparent DNS proxies aren't the problem. It's the translucent ones

Re: dns interceptors

2010-02-14 Thread Jason Frisvold
On Feb 13, 2010, at 4:58 PM, Randy Bush wrote: i am often on funky networks in funky places. e.g. the wireless in changi really sucked friday night. if i ssh tunneled, it would multiply the suckiness as tcp would have puked at the loss rate. You can always run your own local resolver... Or

Re: dns interceptors

2010-02-14 Thread Patrick W. Gilmore
On Feb 14, 2010, at 12:37 PM, Jason Frisvold wrote: On Feb 13, 2010, at 4:58 PM, Randy Bush wrote: i am often on funky networks in funky places. e.g. the wireless in changi really sucked friday night. if i ssh tunneled, it would multiply the suckiness as tcp would have puked at the loss

Re: dns interceptors

2010-02-14 Thread Jason Frisvold
On Feb 14, 2010, at 12:42 PM, Patrick W. Gilmore wrote: How does that help? It still sends port 53 requests to the authorities, which will be intercepted. Hrm.. Maybe I misunderstood. Are the packets being intercepted, or is the problem the local resolvers? Well, in either case, another

Re: dns interceptors

2010-02-14 Thread Larry Sheldon
On 2/14/2010 11:42 AM, Patrick W. Gilmore wrote: On Feb 14, 2010, at 12:37 PM, Jason Frisvold wrote: On Feb 13, 2010, at 4:58 PM, Randy Bush wrote: i am often on funky networks in funky places. e.g. the wireless in changi really sucked friday night. if i ssh tunneled, it would multiply the

Re: dns interceptors

2010-02-14 Thread Patrick W. Gilmore
On Feb 14, 2010, at 12:53 PM, Jason Frisvold wrote: On Feb 14, 2010, at 12:42 PM, Patrick W. Gilmore wrote: How does that help? It still sends port 53 requests to the authorities, which will be intercepted. Hrm.. Maybe I misunderstood. Are the packets being intercepted, or is the

Re: dns interceptors

2010-02-14 Thread charles
I run openvpn on my linux box to do exactly that. Already running apache/bind/postfix/xmpp with legacy Im bridges so adding openvpn was a logical next step. #protip run it on port 443. :) makes it much easier to get around firewalls. Even with deep packet inspection, SSL traffic is expected

Re: dns interceptors

2010-02-14 Thread Bill Weiss
Larry Sheldon(larryshel...@cox.net)@Sun, Feb 14, 2010 at 11:54:25AM -0600: On 2/14/2010 11:42 AM, Patrick W. Gilmore wrote: On Feb 14, 2010, at 12:37 PM, Jason Frisvold wrote: On Feb 13, 2010, at 4:58 PM, Randy Bush wrote: i am often on funky networks in funky places. e.g. the wireless in

Re: dns interceptors

2010-02-14 Thread John Levine
Hrm.. Maybe I misunderstood. Are the packets being intercepted, or is the problem the local resolvers? Both, probably. Hotel networks often intercept all port 53 traffic not out of malice, but so that they won't get support calls from people whose PCs have poorly configured DNS often pointing

Re: dns interceptors

2010-02-14 Thread Randy Bush
I run openvpn on my linux box to do exactly that. i am in the midst of setting up some openvpn servers now, westin, ashburn, tokyo, but westin first. having problems sorting in what --outform it wants the bleeping certs. randy

Re: dns interceptors

2010-02-14 Thread charles
vital for folks to have a deep familiarity with openvpn and best practices etc. --Original Message-- From: Randy Bush To: Charles Wyble Cc: nanog@nanog.org Subject: Re: dns interceptors Sent: Feb 14, 2010 7:10 PM I run openvpn on my linux box to do exactly that. i am in the midst

Re: dns interceptors

2010-02-14 Thread Randy Bush
end user to network having probs with certs, i.e. what --outform it wants. not finding in docs. tried raw, but now guessing pem. same for client and server server ca.crt server.crt server.key client ca.crt client.crt client.key and i presume i have to dump all client.crt files

Re: dns interceptors

2010-02-14 Thread Larry Brower
Randy Bush wrote: end user to network having probs with certs, i.e. what --outform it wants. not finding in docs. tried raw, but now guessing pem. same for client and server server ca.crt server.crt server.key client ca.crt client.crt client.key and i presume i have to dump

Re: dns interceptors

2010-02-14 Thread charles
Yes. Easy rsa is the way to go. They are normal certs. Check the scripts if you want to roll your own openssl wrapper scripts. --Original Message-- From: Larry Brower To: nanog@nanog.org Subject: Re: dns interceptors Sent: Feb 14, 2010 7:44 PM Randy Bush wrote: end user to network

Re: dns interceptors

2010-02-14 Thread Scott Howard
On Sun, Feb 14, 2010 at 7:29 PM, Randy Bush ra...@psg.com wrote: end user to network having probs with certs, i.e. what --outform it wants.  not finding in docs.  tried raw, but now guessing pem.  same for client and server Use the easy-rsa stuff and it will do all the hard work for you.

Re: dns interceptors

2010-02-14 Thread Randy Bush
having probs with certs, i.e. what --outform it wants. not finding in docs. tried raw, but now guessing pem. same for client and server Use the easy-rsa stuff and it will do all the hard work for you. http://openvpn.net/index.php/open-source/documentation/howto.html we have a pki we know

Re: dns interceptors

2010-02-14 Thread Randy Bush
having probs with certs, i.e. what --outform it wants. They are just normal cert's just normal certs can be text, pem, der, ... randy

Re: dns interceptors

2010-02-14 Thread Larry Brower
Randy Bush wrote: just normal certs can be text, pem, der, ... randy Randy, pem format.

Re: dns interceptors

2010-02-14 Thread Stefan Bethke
Am 15.02.2010 um 04:29 schrieb Randy Bush: and i presume i have to dump all client.crt files in the server's ../openvpn dir, but under what names? or does it just wantonly trust anyone under that ca? Any cert signed by that CA. Use --cclient-config-dir to limit which CNs are acceptable,

Re: dns interceptors

2010-02-13 Thread Oliver Gorwits
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 12/02/2010 22:35, Jim Richardson wrote: what are other roaming folk doing about this? ssh tunnels to IP address Just to add that openssh and putty both provide a SOCKS proxy which some might find more straightforward to use for multiple

Re: dns interceptors [SEC=UNCLASSIFIED]

2010-02-13 Thread Valdis . Kletnieks
On Sat, 13 Feb 2010 12:02:48 +0800, Wilkinson, Alex said: IMPORTANT: This email remains the property of the Australian Defence Organisation Have fun trying to enforce that after posting to a public mailing list in North America, with recipients all over the world. Care to cite any relevant

Re: dns interceptors [SEC=UNCLASSIFIED]

2010-02-13 Thread Barry Shein
On February 13, 2010 at 12:12 valdis.kletni...@vt.edu (valdis.kletni...@vt.edu) wrote: On Sat, 13 Feb 2010 12:02:48 +0800, Wilkinson, Alex said: IMPORTANT: This email remains the property of the Australian Defence Organisation Have fun trying to enforce that after posting to a

Re: dns interceptors [SEC=UNCLASSIFIED]

2010-02-13 Thread Robert Bonomi
[ getting afield from 'operational' issues, off-list responses recommended ] From: Barry Shein b...@world.std.com Date: Sat, 13 Feb 2010 13:43:17 -0500 Subject: Re: dns interceptors [SEC=UNCLASSIFIED] On February 13, 2010 at 12:12 valdis.kletni...@vt.edu (valdis.kletni...@vt.edu) wrote

Re: dns interceptors

2010-02-13 Thread Randy Bush
ssh tunnels to IP address i am often on funky networks in funky places. e.g. the wireless in changi really sucked friday night. if i ssh tunneled, it would multiply the suckiness as tcp would have puked at the loss rate. smb whacked me that i should use non-tcp tunnels. randy

Re: dns interceptors [SEC=UNCLASSIFIED]

2010-02-13 Thread Randy Bush
IMPORTANT: This email remains the property of the Australian Defence Organisation and is subject to the jurisdiction of section 70 of the CRIMES ACT 1914. If you have received this email in error, you are requested to contact the sender and delete the email. you have sent a message to me

Re: dns interceptors [SEC=UNCLASSIFIED]

2010-02-13 Thread Jay Hennigan
IMPORTANT: This email remains the property of the Australian Defence Organisation and is subject to the jurisdiction of section 70 of the CRIMES ACT 1914. If you have received this email in error, you are requested to contact the sender and delete the email. NOTICE: This communication may

Re: dns interceptors [SEC=UNCLASSIFIED]

2010-02-13 Thread Valdis . Kletnieks
On Sat, 13 Feb 2010 17:53:19 EST, Dean Anderson said: (One of these days, somebody will find a way to correct things for the benefit of those googling and reading the thread in the list archives in the future, without feeding the trolls) Robert Bonomi appears to have no valid premise of first

Re: dns interceptors

2010-02-12 Thread Jared Mauch
On Feb 12, 2010, at 5:15 PM, Randy Bush wrote: i just lost ten minutes debugging what i thought was a server problem which turned out to be a dns trapper on the wireless in the changi sats lounge. this is not the first time i have been caught by this. what are other roaming folk doing

Re: dns interceptors

2010-02-12 Thread Jim Richardson
On Fri, Feb 12, 2010 at 2:15 PM, Randy Bush ra...@psg.com wrote: i just lost ten minutes debugging what i thought was a server problem which turned out to be a dns trapper on the wireless in the changi sats lounge.  this is not the first time i have been caught by this. what are other roaming

Re: dns interceptors

2010-02-12 Thread Steve Bertrand
Jared Mauch wrote: On Feb 12, 2010, at 5:15 PM, Randy Bush wrote: i just lost ten minutes debugging what i thought was a server problem which turned out to be a dns trapper on the wireless in the changi sats lounge. this is not the first time i have been caught by this. what are other

Re: dns interceptors

2010-02-12 Thread Steve Bertrand
Jim Richardson wrote: On Fri, Feb 12, 2010 at 2:15 PM, Randy Bush ra...@psg.com wrote: i just lost ten minutes debugging what i thought was a server problem which turned out to be a dns trapper on the wireless in the changi sats lounge. this is not the first time i have been caught by this.

Re: dns interceptors

2010-02-12 Thread Bill Thompson
On Fri, 12 Feb 2010 17:32:33 -0500 Jared Mauch ja...@puck.nether.net wrote: On Feb 12, 2010, at 5:15 PM, Randy Bush wrote: i just lost ten minutes debugging what i thought was a server problem which turned out to be a dns trapper on the wireless in the changi sats lounge. this is not

Re: dns interceptors [SEC=UNCLASSIFIED]

2010-02-12 Thread Wilkinson, Alex
0n Sat, Feb 13, 2010 at 06:15:02AM +0800, Randy Bush wrote: i just lost ten minutes debugging what i thought was a server problem which turned out to be a dns trapper on the wireless in the changi sats lounge. this is not the first time i have been caught by this. Whats a dns

Re: dns interceptors [SEC=UNCLASSIFIED]

2010-02-12 Thread John Levine
Whats a dns trapper ? A transparent proxy that intercepts DNS requests and provides edited results intended to improve your customer experience, typically defined as returning A records for web servers full of advertisements when you were expecting something else. The unfortunate fact is that if

Re: dns interceptors [SEC=UNCLASSIFIED]

2010-02-12 Thread Brandon Galbraith
Transparent dns rewriter inline on the network On 2/12/10, Wilkinson, Alex alex.wilkin...@dsto.defence.gov.au wrote: 0n Sat, Feb 13, 2010 at 06:15:02AM +0800, Randy Bush wrote: i just lost ten minutes debugging what i thought was a server problem which turned out to be a dns