Brian於 2012年10月11日星期四UTC+9上午8時00分04秒寫道： > On Wed 10 Oct 2012 at 08:35:13 -0700, houkensjtu wrote: > > > > > I am a newbie both of debian and networking... Recently I am trying > > > to connect my home laptop(I have a router in my home) from office. I > > > read several articles on port forwarding. And I succeeded in opening > > > an 22 port on my router, also I started ssh server on my home laptop. > > > > > > (suppose my username at home is USER, and my laptop is called DEBIAN) > > > > > > I did several experiment and I got confusing in some of its result. > > > > > > 1. ssh USER@DEBIAN > > > > > > works well!! > > > > We assume this means you were able to log in with your password, so it > > very much looks like you have set up port forwarding to the home machine > > correctly. Would you please say how your office machine resolves the IP > > number for DEBIAN. > > > > > > 2. nc -vz my_home_external_ip 22 > > > [my_home_external_ip] 22 (ssh) : Connection refused > > > > > > I cant understand why is it. Because I have actually succeeded in test > > > 1! > > > > What do get with > > > > ssh USER@my_home_external_ip ? > > > > > 3. ssh -l USER my_home_external_ip > > > ssh: connect to host my_home_external_ip port 22: Connection refused > > > This also doesnt work! I thought it should be equivalent to test 1, > > > but things just dont work. > > > > 'Connection refused' would indicate there is a route to the host but > > there is no daemon running on port 22. > > > > > > > > -- > > To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org > > with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org > > Archive: http://lists.debian.org/20121010225534.GJ30872@desktop
Thanks for great reply!! I have to apologize for sth... I forgot to say that all these experiments were done in home on my laptop...omg So, now I solved the problem with echo "1">/proc/sys/net/ipv4/ip_forward What is this file? Is there any other way to check or configure my laptop with out writing directly to this file? -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/46b9951a-dffd-4f59-aa06-f5e66332f...@googlegroups.com
