Need HELP ASAP!!!!!
 

Our website is down and we need a Linux guru to help fix it. I know this might not be the best place to post, but we're running out of options. Please contact adamgedde at hotmail dot com for details.

Why don't you post your problems? And this forum is for questions for THIS website, linuxquestions.org, not websites in general.

Re: Need HELP ASAP!!!!!
 

Please use better and more helpful thread titles in the future and also like mentioned above, post in the correct forums. This post will most likely be moved accordingly, no need to repost as we do not allow double posting. And in your future posts, you should give more details. Now with your post, we have to probe to find out what is wrong, and your just wasting time in getting an answer that way.

Also, forums are meant to post questions and recieve your questions here, not for our members to email you for you solutions.

Regards.

Dangle some $$ in front of people and they'll usually respond quicker. Posted it here because frankly, we're in a big bind.

Ok - here's the problem. Our web server doesn't work. There were changes made to the iptable to affect ftp only, and after restarting the server last night, nothing works. Absolutely NOTHING. There's nothing in the hosts.allow file...hosts.deny file, and the iptables are empty (which i understand to mean that basically every service/port on the machine is now open).

There are three machines on the network. One firewall, one dns, and one www. can ssh to the firewall, but cannot ssh to the dns or www. No changes have been made to the dns machine. Thoughts?

Are you sure nothing is blocking in the firewall setup? It would surely seem that way from what you describe. What's the errors when you try to connect or view a webpage? Your output for iptables, etc? More details, gets better responses.

Can you post eh output of:
iptables -L

A quick fix to try is:
iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -F

iptables have already been flushed.

Does that mean that they don;t have a default policy of deny? fluching does not change this.

A few more things to look for:
1) Are the services listening:
netstat -nlp
2) Can you ping the machines?
2.1) Is the conenction OK - check physical links and link lights
2.2) Is the ethernet device up:
ifconfig

can get into the machines locally - i.e. lynx localhost.

I do not get a response when pinging the machine from my location, though the DNS records are pointed at the right machine.

don't know about the connections - I'm not in front of the physical machine. i was told that they were functioning. can't even get in on ssh to see what's wrong, though i can get in to another machine on that network, specifically the firewall.

Sorry if this seems like a daft question but if you can't get to the machine then how do you know that there are no firewall rules in place?

/moved.

--jeremy

I've seen the firewall rules that were in place on the machine in question prior to this incident, and have had a contact person sitting in front of the physical machine.

have them check those default policies again, you should see this:
like he said before, just flushing the tables doesnt affect the policy.

and if by some off chance you have Bellsouth DSL, i cant connect to my box remotely either anymore :(