Can you provide the output of following commands on both A and B? netstat -nr traceroute host (A when logged in to B and viceversa) arp -a ( on both A and B) ifconfig (on A) eliminate the public IP/GATEway before you post it here. You may not have the correct path to the network (private) . -S On Tue, May 12, 2009 at 2:29 PM, Geoffrey Leach <geoff@xxxxxxxxxx> wrote: > On 05/12/2009 11:12:42 AM, Christopher K. Johnson wrote: >> Geoffrey Leach wrote: >> > Two systems A and B, connected via wireless. A and B both have the >> same >> > /etc/hosts. Connecting from B to A, "ssh A", works fine. However on >> A, >> > "ssh B" logs me into A. This used to work fine; the only clue I >> have >> is >> > that ssh did not like the stored RSA key. I let it fix it, and >> that's >> > when the trouble started. Rebooting A did not fix, nor did removing >> the >> > saved key and repeating. >> > >> > Any suggestions? >> > >> > Thanks. >> > >> > >> > >> My best guess: >> The stored key issue was symptomatic of the problem resolving host to >> ip >> address incorrectly. >> >> There are three things to check: >> 1) Logged on at host A, what does 'host B' command return for >> information? Is it the correct address for B? If the wrong address >> then you need to research whether your dns server or an /etc/hosts >> entry >> is the cause. > > Keeping in mind that this all worked previously .... > The 'domain' is mtranch.com. Quotes because its not a registered domain > Host A is mtranch.mtranch.com, host B is pvr.mtranch.com > > host B on A: > root@mtranch[9]->host pvr > pvr.mtranch.com has address 63.251.179.5 > Host pvr.mtranch.com not found: 3(NXDOMAIN) > Host pvr.mtranch.com not found: 3(NXDOMAIN) > > I believe that 63.251.179.5 is my ISP's (I'm on satelite with a dynamic > IP address) DNS server. > > root@mtranch[16]->ping pvr > PING pvr.mtranch.com (192.168.10.4) 56(84) bytes of data. > > That's the IP address that's in /etc/hosts. Other direction also works. > > If I go over to pvr, I can ssh to mtranch. However, if I try to NFS > mount directories on mtranch (A) to pvr (B) that fails with > "Permission Denied". Again, worked fine yesterday. > >> 2) Whatever user you do this as on host A, is there a ~/.ssh/config >> file? And if so, does it have a stanza that defines how to contact >> host >> B, but do so with the wrong name or ip address? > > There's no ~/.ssh/config, and /etc/ssh/ssh_config is the stock version > from Fedora 10 > >> 3) It is also possible, but less likely, that on host A you have dnat >> rules in iptables causing the endpoint for that ssh tcp connection to >> be >> changed to a local host based address. > > I disabled the firewall (I'm using Firestarter); no change in behavior > > > > > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list > Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines > -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
