Though, it creates a little side effect now : # shorewall ck Checking using Shorewall 5.2.3 ERROR: Policy "all all DROP" duplicates earlier policy "all all REJECT" /etc/shorewall/policy (line 11) What I want to achieve : - Every intra-zone non-explicit rules fall into REJECT like z1:host1 trying to reach zX:hostX (including any host in z1
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 Policy if no match from the rules file is found. If the policy is other than CONTINUE or NONE then the policy may be followed by ":" and one of the following: 1. The word "None" or "none". This causes any default action defined in shorewall6.conf [2] (5) to be omitted for this policy. 2.
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 .
shorewall-rules 2020-4-18 · Entries in this file govern connection establishment by defining exceptions to the policies laid out in shorewall-policy(5). By default, subsequent requests and responses are automatically allowed using connection tracking. For any particular (source,dest) pair of zones, the rules are evaluated in the order in which they appear in this file and
AFAICR, shorewall adds a DROP ALL rule at the end of each chain*, so the two rules for dropping HTTP and HTTPS could be removed (because everything that isn't explicitly allowed is blocked by the final DROP ALL rule). *This behaviour is defined at the policy file.
Jan 03, 2012 · The policy sets the overall layout for who is allowed to go where. It makes broad sweeps and big changes. Start here for designing security. Each line is processed from top to bottom for every packet that goes to or through the router. The Shoreline Firewall, more commonly known as "Shorewall", is a high-level tool for configuring Netfilter. You describe your firewall/gateway requirements using entries in a set of configuration files. Shorewall reads those configuration files and with the help of the iptables utility, Shorewall configures Netfilter to match your requirements. DESCRIPTION Entries in this file govern connection establishment by defining exceptions to the policies laid out in shorewall-policy (5). By default, subsequent requests and responses are automatically allowed using connection tracking. Important Intra-zone policies are pre-defined For $FW and for all of the zones defined in /etc/shorewall6/zones, the POLICY for connections from the zone to itself is ACCEPT (with no logging or TCP connection rate limiting but may be overridden by an entry in this file. Security-Enhanced Linux secures the shorewall processes via flexible mandatory access control. The shorewall processes execute with the shorewall_t SELinux type. On Thu, 25 Apr 2002, Gilson Soares wrote: > > Imagine having a feature like: "shorewall [troubleshoot] start". > In this case, all zone combinations will be generated on-the-fly as a > POLICY REJECT INFO. > In the mean time, you can copy your policy file to another directory and modify that copy in the way you suggest. On 06/23/2018 02:35 AM, Connor Schlesiger wrote: > Thanks! I am happy to test! > Please forward the output of 'shorewall dump' taken after starting Docker (with a second interface added) but before starting Shorewall.