possible tcp problem

Rostislav Krasny rosti.bsd at gmail.com
Fri May 19 17:54:50 PDT 2006


On Fri, 19 May 2006 15:49:25 +0200
Andras Got <andrej at antiszoc.hu> wrote:

> The question is that what could cause this thing and what should we try to solve this.
> Errors:
> sendmail[37085]: gethostbyaddr(IP) failed: 1
> Can't connect to MySQL server on 'IP' (1)

Don't know about the second error, but I believe the first one is
printed by following chunk of src/contrib/sendmail/src/conf.c

======== start of the quote ========
			sm_syslog(LOG_WARNING, NOQID,
				  "gethostbyaddr(%.100s) failed: %d",
#else /* NAMED_BIND */
#endif /* NAMED_BIND */
======== end of the quote ========

netdb.h has following description for that error number in h_errno:

#define HOST_NOT_FOUND  1 /* Authoritative Answer Host not found */

So that specific error looks like a problem on your DNS.

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