Security Basics mailing list archives

Re: Telnet vs PcAnywhere


From: "David M. Fetter" <david.fetter () fetterconsulting com>
Date: Fri, 07 Mar 2003 16:09:05 -0800

Neither telnet or pcanywhere are vpn solutions at all. They are remote access tools. However, if you are allowing telnet in from over the internet you are already in bad shape. Telnet sends all it's traffic including passwords in clear text. PCanywhere used to only send via clear text, but lately I believe they have an option to use encryption, however this solution is still not the best. Your best solution would be to setup a real VPN perhaps using freeswan with iptables on a linux system on each end. That would provide you with what you want along with encrypted traffic.

P.S. Most people now days have converted from telnet to ssh. I would suggest you look into this as well.

Tony Lindsey wrote:
Folks,

What is the difference in security protection/features between granting an outside vendor VPN access using TELNET 
versus using PCANYWHERE?  Some of our vendors need vpn access to their servers inside our network..and I have seen the 
firewall rules set up both ways.

In my discussions with the firewall administrators, security people, network engineers, server administrators, etc...it 
seems as though the people are using telnet and pcAnywhere interchangeably.  I was always under the impression that 
telnet was more restrictive.

Tony Lindsey Audit and Risk Management Group
Managed Medical Services LLP
U.S. Division



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