connect two linux boxes by a crossover cable - nmap
Michael S. Dunsavage
mikesd at frontiernet.net
Wed Jun 30 14:54:53 UTC 2004
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 at 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 at 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 at yu0 root]# telnet xia.yusun.net
> Trying 192.168.1.2...
> telnet: connect to address 192.168.1.2: Connection refused
>
> [root at 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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