Moving servers

James "Reggie" Reilly fun at redbrick.dcu.ie
Wed Mar 2 14:41:44 UTC 2011


On Wed, Mar 02, 2011 at 01:54:39PM +0100, Florian Schlichting wrote:
> Hi James,
> 
> this probably comes too late, but since I didn't see another reply and
> just in case:
> 
> > When I run innxmit I get the following error:
> > 
> > root at morpheus:/var/lib/news# /usr/lib/news/bin/innxmit 192.168.0.3 list
> > innxmit: cannot authenticate with 192.168.0.3: Numerical argument out of domain
> 
> The error message occurs after innxmit has made the initial connection,
> at the point where it scans the file passwd.nntp to see if it can find a
> username/password combination for the server it is connected to, and
> whether it can authenticate using those details.
> 
> My guess would be that either you've got something funny in your
> passwd.nntp, and/or your new server is replying with some very confusing
> stuff. You could try connecting and authenticating via telnet. Also,
> innxmit might have written more to the news syslog.

Hi Florian, 
Thanks for the reply, but this doesn't seeem to be my issue. I'm not using any 
user/pass for auth, and can telnet fine to both servers from both servers.

deathray:/home/funlocal# telnet 192.168.0.2 119
Trying 192.168.0.2...
Connected to 192.168.0.2.
Escape character is '^]'.
200 morpheus InterNetNews NNRP server INN 2.4.4 (20070806 snapshot) ready 
(posting ok).

root at morpheus:/home/committe/fun# telnet 192.168.0.3 119
Trying 192.168.0.3...
Connected to 192.168.0.3.
Escape character is '^]'.
200 deathray InterNetNews server INN 2.5.1 ready

And here is some tcpdump output that seems to suggest it's the old server 
(morpheus) that's breaking off the connection:


deathray:/etc/news# tcpdump -i eth1 -vvv | grep -v mysql | grep morpheus
tcpdump: listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes
    morpheus.internal.39851 > deathray.internal.nntp: Flags [S], cksum 0x09a3
(correct), seq 2305280598, win 5840, options [mss 1460,sackOK,TS val 230205598
ecr 0,nop,wscale 7], length 0
    deathray.internal.nntp > morpheus.internal.39851: Flags [S.], cksum 0xbd08
(correct), seq 259449948, ack 2305280599, win 5792, options [mss 1460,sackOK,TS
val 585577984 ecr 230205598,nop,wscale 6], length 0
    morpheus.internal.39851 > deathray.internal.nntp: Flags [.], cksum 0x0245
(correct), seq 1, ack 1, win 46, options [nop,nop,TS val 230205599 ecr
585577984], length 0
    deathray.internal.nntp > morpheus.internal.39851: Flags [P.], seq 1:51, ack
1, win 91, options [nop,nop,TS val 585577984 ecr 230205599], length 50
    morpheus.internal.39851 > deathray.internal.nntp: Flags [.], cksum 0x0213
(correct), seq 1, ack 51, win 46, options [nop,nop,TS val 230205599 ecr
585577984], length 0
    morpheus.internal.39851 > deathray.internal.nntp: Flags [F.], cksum 0x0212
(correct), seq 1, ack 51, win 46, options [nop,nop,TS val 230205599 ecr
585577984], length 0
    deathray.internal.nntp > morpheus.internal.39851: Flags [F.], cksum 0x01e4
(correct), seq 51, ack 2, win 91, options [nop,nop,TS val 585577984 ecr
230205599], length 0
    morpheus.internal.39851 > deathray.internal.nntp: Flags [.], cksum 0x0211
(correct), seq 2, ack 52, win 46, options [nop,nop,TS val 230205599 ecr
585577984], length 0

And there's nothing of any more detail in the news syslog. This problem has me 
stumped.

> 
> Florian


James 



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