0
votes
0answers
111 views

Help with ssh between machines on local network [duplicate]

I have two machines on my local network (both with Ubuntu 10.04) and I want to ssh (and rsync) between them. The two machines have fixed IPs 192.168.0.15 and ...17 Both computers frequently ssh ...
0
votes
1answer
330 views

How to update firewall to pass NFS traffic?

I have set up the NFS Service using these instructions and it was working fine last week but today I get this error: Root-NFS: Unable to get nfsd port number from server, using default I ...
1
vote
1answer
357 views

Interactive Firewall

I have Ubuntu Server 10.04 serving as router/firewall with iptables. Also have number of client computers in LAN. So far so good. Now what I need is some sort of interactive firewall software on ...
2
votes
1answer
393 views

Shorewall is breaking packets/sessions when connecting out to internet

I am happy to forward any further data if required like firewall rules etc. Would appreciate if someone can skim through my config and see if there are any glaring errors. Problem: Everything working ...
3
votes
2answers
1k views

Is there any software for bypassing the firewall?

I am using ubuntu 10.04. Is there any software to bypass the firewall configured by my network administrator. I have seen my friend using software named ultrasurf in windows which bypasses the ...
7
votes
3answers
21k views

How to enable ufw firewall to allow icmp response?

I have a series of Ubuntu 10.04 servers and each one has ufw firewall enabled. I have allowed port 22 (for SSH) and 80 (if it's a webserver). My question is that I am trying to enable icmp echo ...
3
votes
5answers
2k views

Cannot ssh/ping an Ubuntu machine over WiFi

I have an Ubuntu 10.04 running on a laptop, connected to a local network via WiFi. This machine does not respond to pings/ssh connect requests, as if it was firewalled. However, if I ssh from this ...
0
votes
1answer
599 views

Ufw causing trouble with DHCP or WPA? [closed]

It appears that enabling UFW is causing my network connection to drop periodically on a WPA-Enterprise network, according to the network-manager GUI app (and the lack of a server response to web ...
0
votes
2answers
596 views

Trouble with UFW blocking stuff from NAT machine to inside of NAT

I've got a NAT box (Ubu 10.04) running ufw with the following sudo ufw status verbose: Status: active Logging: on (low) Default: deny (incoming), allow (outgoing) New profiles: skip To ...