Re: marks and speed
"Tsaousis, Costa" <[email protected]>
| Newsgroups | gmane.comp.security.firewalls.firehol.user |
|---|---|
| Message-ID | <CANL+VpaETRM-gYd47ZW08FnhfVMYtF_5FdV_h+MFUq0Gv_9+=w__19492.4069954597$1422106077$gmane$org@mail.gmail.com> |
yes ok. FireHOL achieved 90% to 110% speed increase. 45% to 55% less time to activate to firewall. :-) On Sat, Jan 24, 2015 at 3:12 PM, Tsaousis, Costa <[email protected]> wrote: > Hi all, > > Today we merged a version of FireHOL in the main tree with the > following changes: > > > 1. Speed improvements > 2. Marks, Connmarks and custom Marks > > > Speed Improvements > > FireHOL is now twice as fast. On all configurations we tested the new > FireHOL achieved 45% to 55% speed increase. > > > Marks, Connmarks and custom Marks > > The FireHOL suite (firehol, fireqos, link-balancer) now supports > internally 2 types of marks: usermarks and connmarks. > > - Connmarks are used by link-balancer to mark the interfaces traffic > came in order to send the replies back via the same path. All tools > support (by default) 64 connmarks. > > - Usermarks are used by all tools to mark traffic the user wants. The > mark firehol helper, the mark firehol match, the mark fireqos match > and the mark link-balancer policy based routing match, they all refer > to usermarks. All tools support (by default) 128 usermarks. > > Marks and connmarks are now bitmasked and co-exist. > > FireHOL always saves and restores marks for each connection. New marks > are assigned on NEW connections and saved to connection state when the > packet leaves the machine. Marks are restored on ESTABLISHED and > RELATED connections when a packet is received. > > The user may match an arbitrary mark, bypassing the new bitmasking > mechanism, by requesting a rawmark match. Rawmark matching works on > all tools. Rawmark syntax is exactly the same with mark, for each > tool. > > The user may re-define how mark bitmasking works by editing > /etc/firehol/firehol-defaults.conf (this file will be auto-generated > on first firehol run). > > The default bitmasking is: > > markdef connmark 64 > markdef usermark 128 > > The user may change the numbers to specify more of less marks for each > kind. The value must be a power of two. > > The user may also define additional mark types by adding markdef > lines. These custom marks can then be used by using the custommark > match on all tools (firehol must be activated before the other tools > get the changes). custommark works exactly like mark, but its first > parameter must be the name given to the markdef line. Additionally, > FireHOL defines the custommark helper to assign custom marks to > traffic. > > The above mean that each connection may now have connmark 1, usermark > 5 and a number of custom marks attached to it. > > So, we are now able to mark traffic with different marks in firehol > and, for example, take routing decisions based on connmark, classify > traffic for QoS based on usermark and possibly add more types of marks > for other uses. > > The latest source tree is at https://github.com/ktsaou/firehol > > Keep in mind that in order to test these tools you only need: > > sbin/firehol.in > sbin/fireqos.in > sbin/link-balancer.in > > Each tool can be run directly after downloaded. > > If you find any problems, please let us know. > > Regards, > > Costa