Ubuntu Manpage: policy - Shorewall policy file
[Shorewall-users] WG: Policy make troubles once multiple November 2009 16:59 An: Shorewall Users Betreff: Re: [Shorewall-users] WG: Policy make troubles once multiple zones are applied Michael Weickel - iQom Business Services GmbH wrote: > OK - I figured out what it is but maybe someone can give an explanation > here. > > If I use he multiple zones configuration I have to do in addition > > Hosts Ubuntu Manpage: policy - Shorewall policy file Provided by: shorewall_4.5.21.6-1_all NAME policy - Shorewall policy file SYNOPSIS /etc/shorewall/policy DESCRIPTION This file defines the high-level policy for connections between zones defined in shorewall-zones[1](5).Important The order of entries in this file is important This file determines what to do with a new connection request if we don't get a match from the /etc/shorewall/rules file . HowTo/shorewall - Debian Wiki Now comes the ever important firewall policy. The policy forms the basis for how all traffic on our network will be treated. This is not for fine grained control, we'll get to that later. This just sets the baseline actions for a zone. Firewall:~# nano -w /etc/shorewall/policy. Here are … Shorewall: Security policy bypass (GLSA 200507-20
shorewall-policy
Let’s continue with a very basic Shorewall configuration. yum -y install shorewall and then make sure to have the three following files in /etc/shorewall: interfaces – List of network adapter handled by Shorewall; policy – Default firewall policies between each zone; providers – This one is PBR specific, we’ll use this to mark packets
All packets are routed according to the routing table of the host at each step of the way. This issue commonly comes up when people install a Shorewall firewall parallel to an existing gateway and try to use DNAT through Shorewall without changing the default gateway of the system receiving the forwarded requests.
Now comes the ever important firewall policy. The policy forms the basis for how all traffic on our network will be treated. This is not for fine grained control, we'll get to that later. This just sets the baseline actions for a zone. Firewall:~# nano -w /etc/shorewall/policy. Here are … Shorewall: Security policy bypass (GLSA 200507-20 Shorewall is a high level tool for configuring Netfilter, the firewall facility included in the Linux Kernel. Description. Shorewall fails to enforce security policies if configured with "MACLIST_DISPOSITION" set to "ACCEPT" or "MACLIST_TTL" set to a value greater or equal to 0. Impact linux 防火墻生成器shorewall_weixin_34191845的 … 2008-12-15 · /etc/shorewall 下有很多配置文档，基本的为zones，interfaces，policy，masq等 zones为定义防火墙的区域，我个人认为类似CISCO防火墙的inside ,outside定义 vi /etc/shorewall/zones shorewall6-policy(5): shorewall6 policy file - Linux man page