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 ----
Tried as oridinary user, same results. I appreciate your help !
Yu
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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
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