By default root might be denied login from telnet due to security problems. USE SSH it's just like telnet only more secure. > -----Original Message----- > From: Michael S. Dunsavage [mailto:mikesd@xxxxxxxxxxxxxxx] > Sent: Wednesday, June 30, 2004 10:55 AM > To: General Red Hat Linux discussion list > Subject: Re: connect two linux boxes by a crossover cable - nmap > > > 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 > > > > > > > > > > __________________________________ > > Do you Yahoo!? > > Yahoo! Mail - 50x more storage than other providers! > > http://promotions.yahoo.com/new_mail > > > > > 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 > > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
