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Bug #4564

closed

DHCP WAN without an IP address can create an invalid ruleset with NAT reflection and destination any

Added by Jim Pingle over 9 years ago. Updated over 9 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
-
Category:
Rules / NAT
Target version:
2.2.2
Start date:
03/30/2015
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Release Notes:
Affected Version:
2.2.1
Affected Architecture:

Description

If the following events happen, invalid rules may be generated:
  • DHCP WAN has link but the interface cannot obtain an IP address (leaving the interface set to 0.0.0.0/8 while attempting to obtain an IP address)
  • Port forwards are present
  • NAT reflection is enabled and set to Pure NAT mode

The destination can in some cases be "/8" (without an address) or empty, depending on the destination set in the port forwards (e.g. "any")

One example:

There were error(s) loading the rules: /tmp/rules.debug:62: syntax error - The line in question reads [62]: rdr on { re2 re0 openvpn } proto tcp from any to /8 port 81 -> 192.168.1.11

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