Network troubleshooting, any experts?

[Elam Daly]

Alexander Dalloz wrote:

>
>Why shall it be possible to access the net from the webserver? Is it not
>sufficient if the webserver respond to HTTP request from the net? Or
>does even that not work? Then you have a wrong setup with your
>firewall/router.
>
>  
>
The webserver responds to http request with no problem.

>
>Check the output of "route", check the firewalling/port forwarding rules
>on the firewall/router, be sure the NIC, the cable and the switch port
>are ok (no errors in the output of ifconfig).
>
>  
>
Output from route:

[root at localhost root]# route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use 
Iface
123.123.123.0   *               255.255.255.0   U     0      0        0 eth0
169.254.0.0     *               255.255.0.0     U     0      0        0 eth0
127.0.0.0       *               255.0.0.0       U     0      0        0 lo
default         123.123.123.254 0.0.0.0         UG    0      0        0 eth0


Output from ifconfig:

[root at localhost root]# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:10:4B:27:1E:1A
          inet addr:123.123.123.240  Bcast:123.123.123.255  
Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:83061 errors:83 dropped:0 overruns:0 frame:129
          TX packets:37705 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:8443843 (8.0 Mb)  TX bytes:8538271 (8.1 Mb)
          Interrupt:10 Base address:0x1000

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:1032 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1032 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:77868 (76.0 Kb)  TX bytes:77868 (76.0 Kb)


I don't have access to the router.  It's owned by the ISP and we don't 
know the password(It wasn't my idea), so
I am at their mercy for now.

Thanks,
Elam