Gentoo Archives: gentoo-server

From: Joey <japanoy@×××××××××××.com>
To: gentoo-server@l.g.o
Subject: Re: [gentoo-server] SSH, updates and serial port switches
Date: Fri, 12 Nov 2004 06:38:40
Message-Id: 41953DD1.8080107@loyolaplans.com
In Reply to: Re: [gentoo-server] SSH, updates and serial port switches by John Barton
1 John Barton wrote:
2
3 >
4 >>
5 >> I don't think that will work in this case. The master SSH daemon
6 >> doesn't die. It is the new ones that are launched when a connection
7 >> is made that are looking for old libraries that causes the problem,
8 >> AFAIK.
9 >>
10 > monit has the ability to "speak" certain protocols, ssh being one of
11 > them, so it might still help. If a successful connection is never
12 > made, then monit should be able to tell and restart the dameon anyway.
13 > It has a lot more functionality then just checking to make sure a port
14 > is open or the master process is running...
15
16 John Barton wrote:
17
18 >
19 >>
20 >> I don't think that will work in this case. The master SSH daemon
21 >> doesn't die. It is the new ones that are launched when a connection
22 >> is made that are looking for old libraries that causes the problem,
23 >> AFAIK.
24 >>
25 > monit has the ability to "speak" certain protocols, ssh being one of
26 > them, so it might still help. If a successful connection is never
27 > made, then monit should be able to tell and restart the dameon anyway.
28 > It has a lot more functionality then just checking to make sure a port
29 > is open or the master process is running...
30
31 I too occasionally experience losing ssh connection, so I was wondering
32 if anybody have tried this idea;
33 keeping a separate copy of statically compiled SSHd activated by
34 portknock?
35
36 The purpose is to have a backup ssh that will work even if updates
37 causes the main ssh to
38 malfunction.
39
40 The problem with using utilities to auto-restart crashing daemon is
41 that in case the crash was
42 caused by a miss in an attempted attack or exploit, the cracker gets
43 unlimited retries.
44 Besides auto-restart won't help if the problem is with the library.
45
46 -Joey

Replies

Subject Author
Re: [gentoo-server] SSH, updates and serial port switches Ben Munat <bent@×××××.com>