[pptp-server] GRE protocol - security
Kurt Vlaminck
kurt at skypro.be
Tue Aug 17 08:07:55 CDT 1999
Hello,
I am new to this mailing list so apologise if this questions has already
been treated.
I saw that you need to open the GRE protocol in both ways
(outgoing/incoming) when implementing a PPTP server behind a firewall. Is't
this a security issue as you have to open ports into both directions?
I need to be sure when opening these ports on the firewall that this
protocol on port 47 is completely safe.
Pse comments are more than welcome.
_____________________________________
| BELGACOM Skynet n.v./s.a. |
| Kurt Vlaminck |
| Senior Internet Field Engineer |
_| Kol. Bourgstraat 124, Evere 1140 | _
/ )| tel.+32 2 7060516 - fax. +2 2 7061312 |( \
/ / | E-mail: kurt at skypro.be | \ \
( ( | homepage: http://www.skynet.be | ) )
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