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authoradam <adam@FreeBSD.org>1996-09-07 02:15:56 +0000
committeradam <adam@FreeBSD.org>1996-09-07 02:15:56 +0000
commit78d7f7f610df679cbf9e2168fa59dc6defd20c57 (patch)
tree56d86c314ef8f12150e92ecbc0262627739515fb /share/doc/handbook
parent148ce94bebd89be1aab174e5e4af889f43ffdd6d (diff)
downloadFreeBSD-src-78d7f7f610df679cbf9e2168fa59dc6defd20c57.zip
FreeBSD-src-78d7f7f610df679cbf9e2168fa59dc6defd20c57.tar.gz
take the axe a little closer, since I didn't say what I meant either, and
better empty than wrong.
Diffstat (limited to 'share/doc/handbook')
-rw-r--r--share/doc/handbook/firewalls.sgml9
1 files changed, 2 insertions, 7 deletions
diff --git a/share/doc/handbook/firewalls.sgml b/share/doc/handbook/firewalls.sgml
index 039b19b..01d6fd1 100644
--- a/share/doc/handbook/firewalls.sgml
+++ b/share/doc/handbook/firewalls.sgml
@@ -1,4 +1,4 @@
-<!-- $Id: firewalls.sgml,v 1.9 1996/09/07 00:34:08 adam Exp $ -->
+<!-- $Id: firewalls.sgml,v 1.10 1996/09/07 00:51:36 adam Exp $ -->
<!-- The FreeBSD Documentation Project -->
<sect><heading>Firewalls<label id="firewalls"></heading>
@@ -489,15 +489,10 @@ want to allow from the inside. Some general rules are:
<itemize>
- <item>Block all incoming access to ports below 1000 for TCP. This is
+ <item>Block all incoming access to ports below 1024 for TCP. This is
where most of the security sensitive services are, like finger, SMTP
(mail) and telnet.
- <item>Block all incoming access also to TCP ports between 1001 and 1024
-inclusive, unless rlogin/rsh access from outside is to be enabled, in which
-case incoming SYN (<bf>setup</bf>) connections should be blocked on these
-ports and allowed on the relevant service port(s).
-
<item>Block <bf>all</bf> incoming UDP traffic. There are very few
useful services that travel over UDP, and what useful traffic there is
is normally a security threat (e.g. Suns RPC and NFS protocols). This
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