North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Slow and Fast IP addresses on http ?
In message <[email protected]>, Daniel Karrenberg writes: > >tcp-wrapper. > >Check DNS of the client address affected, forward and reverse. > It might also be port 113 -- some sites try to query your tcp port 113, and wait for a timeout if the port is firewalled. A better solution than blocking it is to send an immediate RST. --Steve Bellovin, http://www.research.att.com/~smb (me) http://www.wilyhacker.com (2nd edition of "Firewalls" book)
|