I cleared all my logs and restarted the server. Tried accessing the page twice with same error. It appears the requests never reach the backend server. Here are the full contents of my logs. ------------------------------------ proxy: access_log --- talk.foo.org 10.5.5.50 - - [17/Jan/2006:00:25:00 +1030] "GET / HTTP/1.1" 500 2 86 "-" "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8) Gecko/20051111 F irefox/1.5" talk.foo.org 10.5.5.50 - - [17/Jan/2006:00:25:50 +1030] "GET / HTTP/1.1" 500 2 86 "-" "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8) Gecko/20051111 F irefox/1.5" ------------------------------------ proxy: error_log --- [Tue Jan 17 00:24:45 2006] [notice] Initializing etag from /var/www/logs/etag-state [Tue Jan 17 00:24:45 2006] [notice] chrooted in /var/www [Tue Jan 17 00:24:45 2006] [notice] changed to uid 1001, gid 1001 [Tue Jan 17 00:24:45 2006] [notice] Apache/1.3.29 (Unix) mod_ssl/2.8.16 OpenSSL/ 0.9.7g configured -- resuming normal operations [Tue Jan 17 00:24:45 2006] [info] Server built: unknown [Tue Jan 17 00:24:45 2006] [notice] Accept mutex: sysvsem (Default: sysvsem) [Tue Jan 17 00:25:00 2006] [debug] proxy_cache.c(0): No CacheRoot, so no caching . Declining. [Tue Jan 17 00:25:50 2006] [debug] proxy_cache.c(0): No CacheRoot, so no caching . Declining. ------------------------------------ proxy: rewrite_log --- 10.5.5.50 - - [17/Jan/2006:00:25:00 +1030] [talk.foo.org/sid#4eba0018][rid#4e3 b4060/initial] (2) init rewrite engine with requested uri / 10.5.5.50 - - [17/Jan/2006:00:25:00 +1030] [talk.foo.org/sid#4eba0018][rid#4e3 b4060/initial] (3) applying pattern '^(/.*)$' to uri '/' 10.5.5.50 - - [17/Jan/2006:00:25:00 +1030] [talk.foo.org/sid#4eba0018][rid#4e3 b4060/initial] (2) rewrite / -> http://internal.foo.org/ 10.5.5.50 - - [17/Jan/2006:00:25:00 +1030] [talk.foo.org/sid#4eba0018][rid#4e3 b4060/initial] (2) forcing proxy-throughput with http://internal.foo.org/ 10.5.5.50 - - [17/Jan/2006:00:25:00 +1030] [talk.foo.org/sid#4eba0018][rid#4e3 b4060/initial] (1) go-ahead with proxy request proxy:http://internal.foo.org/ [OK] 10.5.5.50 - - [17/Jan/2006:00:25:50 +1030] [talk.foo.org/sid#4eba0018][rid#4e3 b4060/initial] (2) init rewrite engine with requested uri / 10.5.5.50 - - [17/Jan/2006:00:25:50 +1030] [talk.foo.org/sid#4eba0018][rid#4e3 b4060/initial] (3) applying pattern '^(/.*)$' to uri '/' 10.5.5.50 - - [17/Jan/2006:00:25:50 +1030] [talk.foo.org/sid#4eba0018][rid#4e3 b4060/initial] (2) rewrite / -> http://internal.foo.org/ 10.5.5.50 - - [17/Jan/2006:00:25:50 +1030] [talk.foo.org/sid#4eba0018][rid#4e3 b4060/initial] (2) forcing proxy-throughput with http://internal.foo.org/ 10.5.5.50 - - [17/Jan/2006:00:25:50 +1030] [talk.foo.org/sid#4eba0018][rid#4e3 b4060/initial] (1) go-ahead with proxy request proxy:http://internal.foo.org/ [OK] ------------------------------------ internal.foo.org: access_log --- ***EMPTY*** ------------------------------------ internal.foo.org: error_log --- [Tue Jan 17 00:24:51 2006] [notice] Initializing etag from /var/www/logs/etag-state [Tue Jan 17 00:24:51 2006] [notice] chrooted in /var/www [Tue Jan 17 00:24:51 2006] [notice] changed to uid 1009, gid 1009 [Tue Jan 17 00:24:51 2006] [notice] Apache/1.3.29 (Unix) PHP/5.0.4 mod_ssl/2.8.1 6 OpenSSL/0.9.7g configured -- resuming normal operations [Tue Jan 17 00:24:51 2006] [notice] Accept mutex: sysvsem (Default: sysvsem) ------------------------------------ (Only changed actual domain with foo.org but everything else unchanged). Quoting Axel-Stéphane SMORGRAV <Axel-Stephane.SMORGRAV@xxxxxxxxxxxxxx>:
Well, it seems to me like that request worked just fine. No DNS lookup problem here. Does the request actually reach the backend server (intranet.foo.org) ? Could you share the relevant parts of your access and error logs +/- 30 seconds? -ascs -----Original Message----- From: bsdsec@xxxxxxxxxxxxxxxxxxxxxx [mailto:bsdsec@xxxxxxxxxxxxxxxxxxxxxx] Sent: Monday, January 16, 2006 2:27 PM To: Axel-Stéphane SMORGRAV Cc: users@xxxxxxxxxxxxxxxx Subject: RE: [users@httpd] ProxyPass does not work with hostnamesonlyIP's.(mod_proxyApache 1.3) Does that rewrite rule do exactly the same as ProxyPass? Anyway, same error page produced. Here is the rewrite_log: 10.5.5.50 - - [16/Jan/2006:23:53:23 +1030] [talk.boehj.net/sid#43ad8018][rid#417 0f060/initial] (2) init rewrite engine with requested uri / 10.5.5.50 - - [16/Jan/2006:23:53:23 +1030] [talk.boehj.net/sid#43ad8018][rid#417 0f060/initial] (3) applying pattern '^(/.*)$' to uri '/' 10.5.5.50 - - [16/Jan/2006:23:53:23 +1030] [talk.boehj.net/sid#43ad8018][rid#417 0f060/initial] (2) rewrite / -> http://intranet.foo.org/ 10.5.5.50 - - [16/Jan/2006:23:53:23 +1030] [talk.boehj.net/sid#43ad8018][rid#417 0f060/initial] (2) forcing proxy-throughput with http://intranet.foo.org/ 10.5.5.50 - - [16/Jan/2006:23:53:23 +1030] [talk.boehj.net/sid#43ad8018][rid#417 0f060/initial] (1) go-ahead with proxy request proxy:http://intranet.foo.org/ [O K] Any ideas? Quoting Axel-Stéphane SMORGRAV <Axel-Stephane.SMORGRAV@xxxxxxxxxxxxxx>:Debug-level logs do not help much for debugging problems within mod_proxy. Try replacing the ProxyPass with the equivalent RewriteRule. RewriteLog log/rewrite_log RewriteLogLevel 3 RewriteEngine On RewriteRule ^(/.*)$ http://intranet.foo.org$1 [P,L] ProxyPassReverse / http://intranet.foo.org/ You should now get some pretty detailed logs about what is happening. -ascs -----Original Message----- From: bsdsec@xxxxxxxxxxxxxxxxxxxxxx [mailto:bsdsec@xxxxxxxxxxxxxxxxxxxxxx] Sent: Monday, January 16, 2006 2:10 PM To: Axel-Stéphane SMORGRAV Cc: users@xxxxxxxxxxxxxxxx Subject: RE: [users@httpd] ProxyPass does not work with hostnames onlyIP's.(mod_proxyApache 1.3) Hey, thanks for your help. I tried ping, nslookup which both work. I even tried lynx and was able to bring up the page directly. I set LogLevel to "debug" and had a look in my error.log: [Mon Jan 16 23:28:23 2006] [notice] Apache/1.3.29 (Unix) mod_ssl/2.8.16 OpenSSL/ 0.9.7g configured -- resuming normal operations [Mon Jan 16 23:28:23 2006] [info] Server built: unknown [Mon Jan 16 23:28:23 2006] [notice] Accept mutex: sysvsem (Default: sysvsem) [Mon Jan 16 23:28:26 2006] [debug] proxy_cache.c(0): Request for http://internal.foo.org/favicon.ico, pragma_req=(unset), ims=0 [Mon Jan 16 23:28:26 2006] [debug] proxy_util.c(0): File /var/cache/Q/S/j/EGecnq Rx1ZGkeYQFKdg not found [Mon Jan 16 23:28:26 2006] [debug] proxy_cache.c(0): Local copy not present or e xpired. Declining. [Mon Jan 16 23:28:27 2006] [debug] proxy_cache.c(0): Request for http://internal.foo.org/, pragma_req=(unset), ims=0 [Mon Jan 16 23:28:27 2006] [debug] proxy_util.c(0): File /var/cache/j/T/K/B2vn9W jcAum7mKEWvdw not found [Mon Jan 16 23:28:27 2006] [debug] proxy_cache.c(0): Local copy not present or e xpired. Declining. ------------------------------- Is all I get. I got the idea that maybe it was the caching that was the problem so I took out all caching directives then restarted apache and got a log like this: [Mon Jan 16 23:29:36 2006] [notice] Apache/1.3.29 (Unix) mod_ssl/2.8.16 OpenSSL/ 0.9.7g configured -- resuming normal operations [Mon Jan 16 23:29:36 2006] [info] Server built: unknown [Mon Jan 16 23:29:36 2006] [notice] Accept mutex: sysvsem (Default: sysvsem) [Mon Jan 16 23:29:43 2006] [debug] proxy_cache.c(0): No CacheRoot, so no caching . Declining. ------------------------------- With the same result... FYI when I set ProxyPass to an IP (which works) my error log shows: [Mon Jan 16 23:36:31 2006] [debug] proxy_cache.c(0): Request for http://172.16.0.5/, pragma_req=(unset), ims=0 [Mon Jan 16 23:36:31 2006] [debug] proxy_util.c(0): File /var/cache/4/g/H/NhiNLMZwLXwWY9wfp2w not found [Mon Jan 16 23:36:31 2006] [debug] proxy_cache.c(0): Local copy not present or expired. Declining. [Mon Jan 16 23:36:31 2006] [debug] proxy_cache.c(0): Response is not cacheable, unlinking /var/cache/4/g/H/NhiNLMZwLXwWY9wfp2w [Mon Jan 16 23:36:31 2006] [debug] proxy_http.c(0): Content-Type: text/html [Mon Jan 16 23:36:31 2006] [debug] proxy_cache.c(0): Request for http://172.16.0.1/favicon.ico, pragma_req=(unset), ims=0 [Mon Jan 16 23:36:31 2006] [debug] proxy_cache.c(0): Unexpired data available [Mon Jan 16 23:36:31 2006] [debug] proxy_cache.c(0): Local copy modified, send it ------------------------------- Sorry about the ugly formatting! It's horrible to post logs =/ -pat --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. 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