On 11 Feb 99, at 11:36, David A. Ranch wrote about
"[masq] How a firewall works...":
|...
| Now, I don't want to confuse you more but you might be thinking
| that letting in ALL high ports back into your Linux box is
| a BAD thing.
|
| You know what?...... YOUR RIGHT!
|...
Why, exactly? AFAIK, there are very few services that listen on
ports >= 1024. So if you disable those services or block those
specific high ports, what's the harm in letting the rest in by
default?
Someone once mentioned that there may be an undiscovered backdoor
daemon running on the masq box listening on a high port. But it
seems to me that it's asking too much of your firewall rules to
protect you even if your gateway machine has been compromised.
|...
- Fred Viles <mailto:[EMAIL PROTECTED]>
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