Full Disclosure mailing list archives
Strange TCP/IP DNS traffic
From: Shachar Shemesh <fulldisc () sun consumer org il>
Date: Thu, 03 Jun 2004 17:35:22 +0300
Hi all,A few days ago I started seeing outbound TCP connection on port 53, aimed at the .com NS servers. These were blocked by the firewall. I realize that this does not violate any RFC, but it's still unusual.
The outbound traffic is not generated by the local bind installation, which was asked to bind to port 53 for outbound traffic. Also, /etc/resolv.conf lists 127.0.0.1 as the nameserver, so as far as I understand such traffic should not be initiated by user programs.
Anyone has any idea what that may be? Shachar -- Shachar Shemesh Lingnu Open Source Consulting http://www.lingnu.com/ _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html
Current thread:
- Strange TCP/IP DNS traffic Shachar Shemesh (Jun 03)
- Re: Strange TCP/IP DNS traffic Nils Ketelsen (Jun 03)
- Re: Strange TCP/IP DNS traffic Nicolas Rachinsky (Jun 03)
- RE: Strange TCP/IP DNS traffic Matthew Ploessel (Jun 03)
- Re: Strange TCP/IP DNS traffic Skip Duckwall (Jun 03)
- <Possible follow-ups>
- Strange TCP/IP DNS traffic full-disclosure (Jun 03)