necessary to open ports in LAN?

Discussion in 'other firewalls' started by tisungho, Oct 17, 2009.

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  1. tisungho

    tisungho Registered Member

    Joined:
    May 27, 2007
    Posts:
    148
    Hi,

    I'm a little bit confused about port forwarding inside a LAN.
    I have a linux box that I call a home server. This server is doing for some basic tasks such as samba server, torrent, ssh server, media server, and so on.
    My confusion is that in the router, I have to forward a port for ssh to connect to the server from my laptop. However, the laptop can connect to other services without any port open at the router.

    So do we need to open ports inside LAN? Why SSH requires its port open but the others don't?

    Thanks!
     
  2. Stem

    Stem Firewall Expert

    Joined:
    Oct 5, 2005
    Posts:
    4,948
    Location:
    UK
    Hi,

    Just for clarification, you are attempting all server connections from within the private LAN?

    If yes to above, it may be local loopback (Internet NAT redirection) within the router. How are you accessing the services, by private IP or by server name?

    - Stem
     
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