[SQU] Unable to connect to/resolve internal addresses

From: Anders Strandberg (EPL) <Anders.Strandberg@dont-contact.us>
Date: Mon, 11 Dec 2000 11:13:08 +0100

Hello,

We ar running squid 2.2.Stable5 (works fine) and I made a test installation of 2.3.Stable3.

I have made the necessary changes in the config file and everything seems to work except when trying to reach internal systems. We are running behind a corporate firewall and are using parent proxys.

When I try to reach local addresses squid connects to the parent proxies , which I assume are trying to locate the target on the Internet. Message:

ERROR 205 -- DNS name lookup failure. Please contact your system administrator.

I have used ./configure --prefix /opt/squid --enable_icmp --enable_snmp --enable_delay_pool --enable_gnuregex .

I can see from the cache log file that squid adds nameservers from /etc/resolv.conf, but that it always connects to parent caches. I can also see that the squid host receives answers from the DNS server but that it for som reasons seems to ignore it. There is some indications of problem in the cachelog file (is pinger the problem ? ) :

icmpRecv: Bad opcode: 62
2000/12/11 09:35:00| Done reading /squid/d61 swaplog (19 entries)
2000/12/11 09:35:00| icmpRecv: Bad opcode: 47
2000/12/11 09:35:00| Done reading /squid/d62 swaplog (27 entries)
2000/12/11 09:35:00| Done reading /squid/d63 swaplog (10 entries)
2000/12/11 09:35:00| Done reading /squid/d64 swaplog (33 entries)
2000/12/11 09:35:00| Done reading /squid/d65 swaplog (24 entries)
2000/12/11 09:35:00| Done reading /squid/d66 swaplog (21 entries)
2000/12/11 09:35:00| Done reading /squid/d67 swaplog (23 entries)
2000/12/11 09:35:01| Done reading /squid/d68 swaplog (27 entries)
2000/12/11 09:35:01| Finished rebuilding storage from disk.
2000/12/11 09:35:01| 213 Entries scanned
2000/12/11 09:35:01| 0 Invalid entries.
2000/12/11 09:35:01| 0 With invalid flags.
2000/12/11 09:35:01| 213 Objects loaded.
2000/12/11 09:35:01| 0 Objects expired.
2000/12/11 09:35:01| 0 Objects cancelled.
2000/12/11 09:35:01| 0 Duplicate URLs purged.
2000/12/11 09:35:01| 0 Swapfile clashes avoided.
2000/12/11 09:35:01| Took 1.6 seconds ( 129.8 objects/sec).
2000/12/11 09:35:01| Beginning Validation Procedure
2000/12/11 09:35:01| Completed Validation Procedure
2000/12/11 09:35:01| Validated 213 Entries
2000/12/11 09:35:01| store_swap_size = 889k
2000/12/11 09:35:02| storeLateRelease: released 0 objects
2000/12/11 09:35:05| icmpRecv: recv: (111) Connection refused
2000/12/11 09:35:05| Closing Pinger socket on FD 29

Basicallly the same config works with 2.2.Stable5 .

Any hints ?

Thanks, Anders

-------------------------------------------------
| Anders Strandberg |
| System Administrator |
| Ericsson Erisoft AB |
| Phone: +46-920-202037 |
| Fax: +46-920-202906 |
| mailto:Anders.Strandberg@epl.ericsson.se |
| http://www.ericsson.se/SE/epl |
-------------------------------------------------

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Received on Mon Dec 11 2000 - 03:16:12 MST

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