[ejabberd] no more s2s connections possible

Wijnand Wiersma wijnand at nedbsd.nl
Sun Jun 10 19:07:07 MSD 2007


Zbyszek Żółkiewski schreef:
> Wijnand: you records are wrong. Fix that, last parm is port number two 
> first is priority and weight. I dont know bind - we use djbdns.
>
> anyway as Evgeniy write before your records need to be fixed. I see 
> also the same:
> _xmpp-server._tcp.nedbsd.nl has SRV record 0 5269 5 jabber.nedbsd.nl 
> <http://jabber.nedbsd.nl> with is wrong, should be sth like:
> _xmpp-server._tcp.jabber.autocom.pl has SRV record 0 0 5269 
> rtr-heads-virtual-core.autocom.pl 
> <http://rtr-heads-virtual-core.autocom.pl>
>
> and yes it could work anyway as servers try to connect to your server 
> by resolving A record.
Ok, I found something strange in DNS, check this out (the cysonet.com 
dns servers gets its information from server1.nedbsd.eu):

wijnand at gansu:~$ dig  @ns.cysonet.com _xmpp-server._tcp.nedbsd.nl SRV

; <<>> DiG 9.2.4 <<>> @ns.cysonet.com _xmpp-server._tcp.nedbsd.nl SRV
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27589
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 3

;; QUESTION SECTION:
;_xmpp-server._tcp.nedbsd.nl.   IN      SRV

;; ANSWER SECTION:
_xmpp-server._tcp.nedbsd.nl. 10 IN      SRV     0 5269 5 jabber.nedbsd.nl.

;; AUTHORITY SECTION:
nedbsd.nl.              10      IN      NS      ns.cysonet.com.
nedbsd.nl.              10      IN      NS      ns1.cysonet.com.
nedbsd.nl.              10      IN      NS      ns2.cysonet.com.

;; ADDITIONAL SECTION:
ns.cysonet.com.         10800   IN      A       217.170.2.38
ns1.cysonet.com.        10800   IN      A       62.58.71.5
ns2.cysonet.com.        10800   IN      A       85.158.200.77

;; Query time: 1 msec
;; SERVER: 217.170.2.38#53(ns.cysonet.com)
;; WHEN: Sun Jun 10 17:03:29 2007
;; MSG SIZE  rcvd: 193

wijnand at gansu:~$ dig @server1.nedbsd.eu _xmpp-server._tcp.nedbsd.nl SRV

; <<>> DiG 9.2.4 <<>> @server1.nedbsd.eu _xmpp-server._tcp.nedbsd.nl SRV
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50699
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 4

;; QUESTION SECTION:
;_xmpp-server._tcp.nedbsd.nl.   IN      SRV

;; ANSWER SECTION:
_xmpp-server._tcp.nedbsd.nl. 10 IN      SRV     5 0 5269 jabber.nedbsd.nl.

;; AUTHORITY SECTION:
nedbsd.nl.              10      IN      NS      ns1.cysonet.com.
nedbsd.nl.              10      IN      NS      ns2.cysonet.com.
nedbsd.nl.              10      IN      NS      ns.cysonet.com.

;; ADDITIONAL SECTION:
jabber.nedbsd.nl.       10      IN      A       85.158.204.24
ns.cysonet.com.         154886  IN      A       217.170.2.38
ns1.cysonet.com.        107122  IN      A       62.58.71.5
ns2.cysonet.com.        107122  IN      A       85.158.200.77

;; Query time: 2 msec
;; SERVER: 85.158.204.10#53(server1.nedbsd.eu)
;; WHEN: Sun Jun 10 17:03:32 2007
;; MSG SIZE  rcvd: 209

Something is going really wrong when syncing currently, the zonefiles 
itself are perfect but the queried DNS servers sends out the wrong order :-(

Wijnand


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