On Mon, Jul 7, 2008 at 1:59 PM, Stephen Harris <lists@xxxxxxxxxx> wrote: > On Mon, Jul 07, 2008 at 01:45:25PM -0700, MHR wrote: > > Are you sure there are no firewalls in place that could be blocking access? > Note that "rsh machine" really calls "rlogin machine" and so talks on > a different port (port 513) whereas "rsh machine command" uses port 514. > > You should tcpdump the traffic while trying to do an rsh to see what is > going on. > That helps some - I got a lot of data (duh), but the key piece, I think, was this: 15:06:00.480483 IP sushi.ocroads.com.1023 > khan.sjhtca.com.shell: . ack 1 win 46 <nop,nop,timestamp 348358235 81958271> 15:06:00.480735 IP sushi.ocroads.com.1023 > khan.sjhtca.com.shell: P 1:6(5) ack 1 win 46 <nop,nop,timestamp 348358235 81958271> 15:06:00.480942 IP khan.sjhtca.com.shell > sushi.ocroads.com.1023: . ack 6 win 5792 <nop,nop,timestamp 81958271 348358235> 15:06:00.481938 IP khan.sjhtca.com.33409 > sushi.ocroads.com.auth: S 3105739037:3105739037(0) win 5840 <mss 1460,sackOK,timestamp 81958271 0,nop,wscale 0> 15:06:00.481969 IP sushi.ocroads.com > khan.sjhtca.com: ICMP host sushi.ocroads.com unreachable - admin prohibited, length 68 15:06:00.485455 IP khan.sjhtca.com.1023 > sushi.ocroads.com.1022: S 3115029742:3115029742(0) win 5840 <mss 1460,sackOK,timestamp 81958271 0,nop,wscale 0> 15:06:00.485527 IP sushi.ocroads.com > khan.sjhtca.com: ICMP host sushi.ocroads.com unreachable - admin prohibited, length 68 If I start from khan, I get this: [mrichter@khan mrichter]$ rsh sushi ls sushi: No route to host [mrichter@khan mrichter]$ rsh sushi sushi: No route to host What's strange (to me) about this is that I can ping and ssh to sushi from khan, and the resolv.conf on khan contains the line "search ocroads.com" which is where sushi is located (sushi = sushi.ocroads.com, khan = khan.sjhtca.com), so I'm not clear on what /else/ needs to be set for this to work. ??? Thanks to all so far.... mhr _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos