Hi there

I have been attempting to get clamav (clamdscan via clamd to be precise)
running on our corporate mail server for several months now, but every time,
it runs fine for a few hours and then dies horribly. And I turn it off again
:-(

I have tested it just last week with 0.67 with the same failure under RH8.

clamd is run as a supervise script via:

--
#!/bin/sh
rm -f /var/spool/qmailscan/clamd
exec /usr/local/bin/softlimit -a 20000000 /usr/local/sbin/clamd >
/var/log/clamd.log 2>&1
--

And is called by "clamdscan -r --disable-summary --max-recursion=10
--max-space=1000000  dirname/"

The clamd.log file reports this when it goes belly-up:

---
Thu Feb 19 12:43:32 2004 -> SelfCheck: Database status OK.
Thu Feb 19 12:53:38 2004 -> SelfCheck: Database status OK.
Thu Feb 19 12:54:44 2004 -> ERROR: Session(1) did not start. Dropping
connection.Thu Feb 19 12:54:44 2004 -> ERROR: Session(1) did not start.
Dropping connection.Thu Feb 19 12:54:44 2004 -> ERROR: Session(0) did not
start. Dropping connection.Thu Feb 19 12:54:44 2004 -> ERROR: Session(0) did
not start. Dropping connection.Thu Feb 19 12:54:44 2004 -> ERROR: Session(0)
did not start. Dropping connection.Thu Feb 19 12:54:44 2004 -> ERROR:
Session(0) did not start. Dropping connection.Thu Feb 19 12:54:44 2004 ->
ERROR: Session(1) did not start. Dropping connection.Thu Feb 19 12:54:44
2004 -> ERROR: Session(1) did not start. Dropping connection.Thu Feb 19
12:54:44 2004 -> ERROR: Session(1) did not start. Dropping connection.Thu
Feb 19 13:01:23 2004 -> ERROR: Session(0) did not start. Dropping
connection.Thu Feb 19 13:01:23 2004 -> ERROR: Session(0) did not start.
Dropping connection.Thu Feb 19 13:01:24 2004 -> ERROR: Session(1) did not
start. Dropping connection.Thu Feb 19 13:03:44 2004 -> SelfCheck: Database
status OK.
Thu Feb 19 13:12:36 2004 -> Session 1 stopped due to timeout.
Thu Feb 19 13:13:25 2004 -> Session 0 stopped due to timeout.
Thu Feb 19 13:13:50 2004 -> SelfCheck: Database status OK.
---

BTW: No EOLs were removed in the making of that cut-n-paste...

What happens is that clamd just goes unresponsive. clamdscan connects but
never hears back from clamd.

As this is a mail server, all sorts of rubbishy SPAM or whatever is flowing
through it - maybe some type of that triggers a bug - I don't know.

I haven't seen much mention of this via Google, so maybe it isn't known?

-- 
Cheers

Jason Haar
Information Security Manager, Trimble Navigation Ltd.
Phone: +64 3 9635 377 Fax: +64 3 9635 417
PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1


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