--- "Michael S. Dunsavage" <mikesd@xxxxxxxxxxxxxxx> wrote: > Yu Sun wrote: > > Dear Friends, > > > > As suggested by one friend, I tried to use 'nmap', it seems > telnet > > server is running on one host, however, it is still unable to > > connenct from the other host, see the edited script below: > > > > --- script starts --- > > > > [root@yu0 root]# ping xia.yusun.net > > PING xia.yusun.net (192.168.1.2) 56(84) bytes of data. > > 64 bytes from xia.yusun.net (192.168.1.2): icmp_seq=1 ttl=64 > > time=0.118 ms > > 64 bytes from xia.yusun.net (192.168.1.2): icmp_seq=2 ttl=64 > > time=0.113 ms > > 64 bytes from xia.yusun.net (192.168.1.2): icmp_seq=3 ttl=64 > > time=0.116 ms > > > > --- xia.yusun.net ping statistics --- > > 3 packets transmitted, 3 received, 0% packet loss, time 2011ms > > rtt min/avg/max/mdev = 0.113/0.115/0.118/0.012 ms > > > > [root@yu0 root]# nmap -sX -p 22-100 xianotebook > > > > Starting nmap V. 3.00 ( www.insecure.org/nmap/) > > Interesting ports on xia.yusun.net (192.168.1.2): > > (The 77 ports scanned but not shown below are in state: closed) > > Port State Service > > 22/tcp open ssh > > 23/tcp open telnet > > > > Nmap run completed -- 1 IP address (1 host up) scanned in 2 > seconds > > > > [root@yu0 root]# telnet xia.yusun.net > > Trying 192.168.1.2... > > telnet: connect to address 192.168.1.2: Connection refused > > > > [root@yu0 root]# ssh xia.yusun.net > > ssh: connect to host xia.yusun.net port 22: Connection refused > > > > ----script end ---- > You can ping each other, correct? > > Maybe put each other machines ip in /etc/hosts.allow > > IE, Machine A will be in Machine's B /etc/hosts.allow, etc > > -- > Michael S. Dunsavage > Yes, I can ping each other. I edited the /etc/hosts.allow, however, got no luck. It is really a puzzle now. Thanks anyway. Yu __________________________________ Do you Yahoo!? Yahoo! Mail Address AutoComplete - You start. We finish. http://promotions.yahoo.com/new_mail -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list