Dezember 2011 10:17 An: Shorewall Users Betreff: [Shorewall-users] setup shorewall for specific ports only Hello I would like to setup shorewall for some ports only (i.e allow to surf the net http and https and access ftp only and nothing else ) I've used the one interface firewall example with a policy file : #SOURCE DEST POLICY LOG LEVEL
linux 防火墻生成器shorewall - linux 培训学习 2020-6-18 · /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 shorewall-exclusion(5) - Linux man page /etc/shorewall/policy: #SOURCE DEST POLICY z1 net CONTINUE z2 net REJECT /etc/shorewall/rules: #ACTION SOURCE DEST PROTO DEST # PORT(S) ACCEPT all!z2 net tcp 22 In this case, SSH connections from z2 to net will be accepted by the generated z1 to net ACCEPT rule. In most contexts, ipset names can be used as an address-or-range. Beginning with
This file defines the high-level policy for connections between zones defined in shorewall-zones  (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 .
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.
## Shorewall version 1.3 - Rules File # # /etc/shorewall/rules # # Rules in this file govern connection establishment. Requests and # responses are automatically allowed using connection tracking. # # In most places where an IP address or subnet is allowed, you # can preceed the address/subnet with "!"
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