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SecurityPortal: Ask Buffy - Secure FTP, NAT/firewalls, syslog, and certificate authorities.

May 20, 2001, 17:00 (0 Talkback[s])
(Other stories by Buffy Overflow)

"Questions this week cover NT passwords, secure FTP, NAT/firewalls, syslog, coworkers viewing inappropriate materials, and certificate authorities."

  • Do you have any recommendations for setting up a secure FTP server that can do a secure file transfer?
  • I manage several networks that utilize DSL routers and run NAT. Is NAT enough of a firewall to secure my networks (i.e., could I plug my routers directly into the hub)? I do use additional firewalls, but now question their utility. There are no web servers of any kind on these networks - Internet access is used only for mail and browsing the Internet.
  • I have a client that is requesting that my company analyze messages that are generated by their Internet router. We would like to configure the router such that it sends its logs to a syslog server that is located behind a firewall.My question is..... Are you aware of a secure way of allowing these logs through the firewall without compromising the security of the private network? Do you have any recommendations for providing this connectivity in a secure manner? Any help would be greatly appreciated.

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