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FreeBSD-5.4 Network Problems

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FreeBSD-5.4 Network Problems BSD Help forum discussing all BSD based operating systems including FreeBSD, OpenBSD, NetBSD, and more. BSD refers to the distribution of UNIX originally developed by the University of California at Berkeley.

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  #1  
Old July 11th, 2005, 08:40 PM
ricstr ricstr is offline
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FreeBSD-5.4 Network Problems
Hey, I have a FreeBSD 5.4 install that I hope to use for a test-web server inside my LAN. I use the sysinstall during installation to config the NIC by DHCP from my router.

I have a WindowsXP workstation configured similar that works perfect. The servers network configuration is consistent with the workstations.

The problem is that the FreeBSD machine can be accessed by its internal IP address, but not by the hostname I gave it (server1), because its using DHCP the hostname is important for accessing it so I can't put an entry in the hosts file as the IP address will change.

When ever I try to ping the server from the router or workstation I get an error saying the host could not be found.

This problem also stops Apache Web Server from starting up.

Any Ideas?
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  #2  
Old July 12th, 2005, 04:45 AM
M.Hirsch M.Hirsch is offline
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You have to setup a DNS server for this to work.
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  #3  
Old July 12th, 2005, 12:51 PM
ricstr ricstr is offline
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Thanks for the reply.

I'm not 100% sure what you mean. A DNS on the router or the server?

I already have DNS running on the linux router, that's why I can access the WindowsXP workstation using its hostname.

I just enabled named on the FreeBSD server to see if it made any difference, and it didn't.

I'm sure I set a server in a similar configuration with an earlier version of FreeBSD that worked just fine.
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  #4  
Old July 12th, 2005, 01:03 PM
M.Hirsch M.Hirsch is offline
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Quote:
Originally Posted by ricstr
I already have DNS running on the linux router, that's why I can access the WindowsXP workstation using its hostname.

Ok, you don't need a second one.
Just add the FreeBSD server's records to your existing name server and enable FreeBSD to use it if you did not yet.

Please post the contents of your /etc/resolv.conf file, the problem may be there.

Quote:
Originally Posted by ricstr
The problem is that the FreeBSD machine can be accessed by its internal IP address, but not by the hostname I gave it (server1), because its using DHCP the hostname is important for accessing it so I can't put an entry in the hosts file as the IP address will change.

I guess that your DHCP server is not telling the right nameserver and you configured it manually last time. But without analyzing your whole setup it's hard to tell.

Login to a shell and try this:
Code:
$ dig server1

; <<>> DiG 9.3.1 <<>> server1
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16294
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;server1.                       IN      A

;; AUTHORITY SECTION:
.                       10741   IN      SOA     A.ROOT-SERVERS.NET. NSTLD.VERISIGN-GRS.COM. 2005071101 1800 900 604800 86400

;; Query time: 10 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jul 12 19:58:58 2005
;; MSG SIZE  rcvd: 100

This reply would say that server1 was not found to exist and that the request was answered by the "a" root server, not your own name server*.

Post the output of the "dig" command too.

M.

*) This statement might be technically inaccurate, but enough for debugging here. SilentRage is the local DNS guru if you want to know more details.
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  #5  
Old July 12th, 2005, 02:17 PM
ricstr ricstr is offline
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Thanks again for the quick reply, here's the output from those commands.

Code:
%ifconfig
vr0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet6 fe80::240:f4ff:fe6b:36af%vr0 prefixlen 64 scopeid 0x1
        inet 192.168.0.253 netmask 0xffffff00 broadcast 192.168.0.255
        ether 00:40:f4:6b:36:af
        media: Ethernet autoselect (10baseT/UTP)
        status: active
plip0: flags=108810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
        inet 127.0.0.1 netmask 0xff000000
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3

%cat /etc/resolv.conf
search bullionslaw
nameserver 192.168.0.1

%dig

; <<>> DiG 9.3.1 <<>>
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39608
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;.                              IN      NS

;; Query time: 11 msec
;; SERVER: 192.168.0.1#53(192.168.0.1)
;; WHEN: Tue Jul 12 19:20:50 2005
;; MSG SIZE  rcvd: 17

%dig server1

; <<>> DiG 9.3.1 <<>> server1
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 54605
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;server1.                       IN      A

;; Query time: 7 msec
;; SERVER: 192.168.0.1#53(192.168.0.1)
;; WHEN: Tue Jul 12 19:21:29 2005
;; MSG SIZE  rcvd: 25
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  #6  
Old July 12th, 2005, 02:29 PM
M.Hirsch M.Hirsch is offline
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Seems like your name server does not know about "server1.bullionslaw". Is there a "A record" in your "bullionslaw" zone like this?
"server1 IN A 192.168.0.253" (for completeness, check also the reverse zone)

M.
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  #7  
Old July 12th, 2005, 05:58 PM
ricstr ricstr is offline
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To be honest, I really dont think the problem is with the DNS server on the router. I'm certain it's with FreeBSD, I just dont know what it is.

Another thing I noticed is when I ping server1 on server1, it gives an error, something along thel ines of of could not find host. I though that little wierd.

But I spent too much time on this if I can't fix it by tommrow i'll probly just set it up with a static address and a manual hosts entry on the router.

Thanks for all your help, very much appreciated.
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  #8  
Old July 14th, 2005, 04:57 AM
M.Hirsch M.Hirsch is offline
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Quote:
Originally Posted by M.Hirsch
Please post the contents of your /etc/resolv.conf file, the problem may be there.

...
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