On Tue, Aug 10, 2010 at 4:19 PM, Chanoch (Ken) Bloom <[email protected]>wrote:
> On Tue, Aug 10, 2010 at 03:50:00PM -0400, Peter Salzman wrote: > > I set up Apache2 on home Kubuntu box. I defined one named virtual host > in > > addition to "default" that came with the installation. When I try to > access > > the server from work, Firefox responds with "The connection timed out". > > > > When I run tcpdump -i eth0 tcp port 80, I see the incoming request from > work > > to http://www.dirac.org: > > > > 14:30:42.219003 IP ny-131.foo.com.33188 > satan.www: Flags [S], seq > > 3646786876, win 64512, options [mss 1460,nop,nop,sackOK], length 0 > > > > I also see (what looks to be) the outgoing packets from satan to work: > > > > 14:30:42.219027 IP satan.www > ny-131.foo.com.33188: Flags [S.], seq > > 2741002130, ack 3646786877, win 5840, options [mss 1460,nop,nop,sackOK], > > length 0 > > > > However, *nothing* is getting written to the logs: > > > > -rw-r----- 1 root root 0 2010-08-10 12:21 access.log > > -rw-r----- 1 root root 0 2010-08-10 12:21 dirac.org.access > > -rw-r----- 1 root root 0 2010-08-10 12:21 dirac.org.error > > -rw-r----- 1 root root 330 2010-08-10 12:21 error.log > > > > > > The file error.log doesn't have anything interesting in it: > > > > > > [Tue Aug 10 12:21:00 2010] [notice] Apache/2.2.12 (Ubuntu) > > PHP/5.2.10-2ubuntu6.4 with Suhosin-Patch mod_perl/2.0.4 Perl/v5.10.0 > > configured -- resuming normal operations > > [Tue Aug 10 12:21:00 2010] [info] Server built: Mar 9 2010 21:20:44 > > [Tue Aug 10 12:21:00 2010] [debug] prefork.c(1013): AcceptMutex: sysvsem > > (default: sysvsem) > > > > > > From the lack of entries in the log file, it looks like Apache isn't > seeing > > the incoming request. However, tcpdump seems to be showing otherwise. > Port > > 80 is forwarded to the Linux box by the router. > > First, we *need* to know the names of the files involved, since the > alphabetical order of the files determines which is the default host > (the first host is default, so you should have > sites-enabled/000-default and sites-enabled/001-dirac). > > > In sites.enabled: > > Did you verify that this is the correct IP address? (You probably want > to use "*:80" instead.) > > > <VirtualHost 24.189.162.69:80> > > ServerAdmin [email protected] > > ServerName www.dirac.org > > ServerAlias dirac.org > > > > # Indexes + Directory Root. > > DirectoryIndex index.html > > DocumentRoot /var/www/ > > > > # Logfiles > > ErrorLog /var/log/apache2/dirac.org.error > > CustomLog //var/log/apache2/dirac.org.access combined > > </VirtualHost> > > > > The default enabled site starts off as: > > You don't have a ServerName for the default site. Is it > possible that the default is catching all of the requests since it has > no name? Give it a name. Since it's the default (its configuration > file comes first alphabetically), it will still respond > to any unknown hostnames passed in the host header. > > The link I quote below says: > "ServerName should always be set for each vhost. Otherwise A DNS lookup > is required for each vhost." > > > <VirtualHost 24.189.162.69:80> > > ServerAdmin [email protected] > > DocumentRoot /var/www > > . . . > > </VirtualHost> > > > > > > Any ideas what could be preventing this from working? > > For more information about Apache virtual host ordering, see > http://httpd.apache.org/docs/2.2/vhosts/details.html > > --Ken > Interesting -- I didn't know that the sites were read in alpha order. Also, I guess the wildcard for the NameVirtualHost is a better idea. Unfortunately, didn't fix the problem, but more weirdness came up. I can't telnet to dirac.org port 80, which would explain why the logs aren't being touched. But then I'm at a loss as to how tcpdump apparently sees the connection: tcpdump -i eth0 tcp port 80 16:40:32.104293 IP ny-131.foo.com.10096 > satan.www: Flags [S], seq 1653467397, win 64512, options [mss 1460,nop,nop,sackOK], length 0 16:40:32.104314 IP satan.www > ny-131.foo.com.10096: Flags [S.], seq 329481650, ack 1653467398, win 5840, options [mss 1460,nop,nop,sackOK], length 0 It looks like the packets are getting forwarded correctly, but nobody is listening. The port is set correctly in /etc/apache2/ports.conf and I verified that apache2 is indeed running. It's such a mystery! :-( Pete
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