Firewall - How does it work?
Hackers have been trying to find their way into my server and I decided to switch on the firewall. The only problem is that I can't find much in the way of documentation as to what it does.
- Can it stop flood attacks?
- Does it deny service to rapid requests?
- If it blocks somebody, does it do it for ever, 24 hours, 1 hour ...etc?
- Does it block all unused ports?
In short - does anybody know where there is a specification or a description of how it works? More info on the monotoring system would also be useful (ie What does it do and an example of how to use it?)
Well in my opinion.... Isp firewall doesnt do mutch except filter some ports..... the real deal is with fail2ban and denyhost... if u configure this 2 properly you whont have problems... i`ve been working on this matter for the past 3 days... so... u need to modify this config
Hope it helps...
Many thanks Robilaur.
Your message is very helpful.
For anybody finding this thread and wanting to install DenyHosts there is an excellent tutorial here:
Apologies to HowtoForge:
Here are two excellent tutorials on:
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