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Old 04-10-2003, 10:35 PM   #1
f1uke
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Registered: Jan 2003
Location: norfolk, VA
Distribution: suse 8.2, redhat 8.0
Posts: 60

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unexplanable 'no route to host' error, can anyone help?


I've been trying to figure out why i am unable to send mail, but receive it. Up until recently everything worked fine, but i started to update my rh8 with up2date, and after gathering a couple new rpms I cant send mail. Ive flushed my iptables still no luck, and ive checked my setting in my mail client "mozilla" and everything seems to be in order. It's odd because i haven't made any changes to the box to cause it to block port 25. But when i try and send mail i get 'no rout to host errors every time' Ive check port 25 on mail.blanks.us and it is up and functional. After that i tried connecting to other smtp servers to check if i was able to connect to them, i tried mail.lomag.net and a few others with the same results no route to host on 25. So i know there is something wrong with my box, but i am unable to pin point it, would anyone have any ideas? here are copies of my iptables and just a ping to the box, just incase anyone asks.

##
[jason@linux etc]$ telnet mail.blanks.us 25
Trying 66.252.10.247...
telnet: connect to address 66.252.10.247: No route to host
[jason@linux etc]$ telnet mail.lomag.net 25
Trying 208.185.81.14...
telnet: connect to address 208.185.81.14: No route to host
[jason@linux etc]
##

root@linux jason]# /sbin/iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination

Chain FORWARD (policy ACCEPT)
target prot opt source destination

Chain OUTPUT (policy ACCEPT)
target prot opt source destination

####

/sbin/iptables -t nat -L
Chain PREROUTING (policy ACCEPT)
target prot opt source destination

Chain POSTROUTING (policy ACCEPT)
target prot opt source destination

Chain OUTPUT (policy ACCEPT)
target prot opt source destination
####

PING mail.blanks.us (66.252.10.247) from 64.24.88.21 : 56(84) bytes of data.
64 bytes from 66.252.10.247: icmp_seq=1 ttl=50 time=341 ms
64 bytes from 66.252.10.247: icmp_seq=2 ttl=50 time=302 ms
64 bytes from 66.252.10.247: icmp_seq=3 ttl=50 time=382 ms

--- mail.blanks.us ping statistics ---
4 packets transmitted, 3 received, 25% loss, time 3005ms
rtt min/avg/max/mdev = 302.725/342.260/382.801/32.702 ms
[jason@linux jason]$
 
  


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