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Re: connect two linux boxes by a crossover cable - nmap



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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