Package: linux-2.6
Severity: important
Hi,
I came across this problem by using ident identification with
PostgreSQL in Debian.
The default identd in Debian, pidentd, currently utilizes NETLINK (with
a patch to upstream code[1]) for connection identification. Therefore,
kernel support is needed. While CONFIG_IP_TCPDIAG is currently
configured as a module by default (checked on i386 and sparc64), this
one is not loaded automatically. This causes identd service to be
broken by default:
[EMAIL PROTECTED]:~$ telnet atari 113
Trying 192.168.5.99...
Connected to atari.
Escape character is '^]'.
22,36660
22 , 36660 : ERROR : NO-USER
With the module tcp_diag loaded manually on the server, it works:
[EMAIL PROTECTED]:~$ telnet atari 113
Trying 192.168.5.99...
Connected to atari.
Escape character is '^]'.
22,36660
22 , 36660 : USERID : UNIX :root
The package pidentd "solved" this problem by just mentioning it in the
README.Debian[2].
I'm currently seeing some possible solutions to solve this problem:
(a) Make the module tcp_diag being loaded automatically on demand
(preferred)
(b) Set CONFIG_IP_TCPDIAG=y
(c) Change pidentd, reassigning the bug (questionable)
Thanks,
Roland
[1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=208290
[2] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=305926
-- System Information:
Debian Release: testing/unstable
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: sparc (sparc64)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.12-1-sparc64, also tested with 2.6.14 on i386
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8) (ignored: LC_ALL
set to en_GB.UTF-8)
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