From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Tremer To: development@lists.ipfire.org Subject: Re: ipblacklist V2 Date: Thu, 10 Feb 2022 16:48:47 +0000 Message-ID: <3BCCCA1D-F8DE-4CAD-B091-2EFD2C47F75C@ipfire.org> In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="===============6601010017143877657==" List-Id: --===============6601010017143877657== Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Hello Rob, > On 10 Feb 2022, at 15:12, Rob Brewer wrote: >=20 > Hi Michael >=20 > On Thursday 10 February 2022 09:41 Michael Tremer wrote: >=20 >> Hello Rob, >>=20 >>=20 >> Good to hear that you are in touch. I would like to invite Tim to join the >> conversation on here. I am sure he has a couple of thoughts to contribute >> and I hope he can find the time. >>=20 >>=20 >> I assume you are talking about this here? >>=20 >>=20 > https://git.ipfire.org/?p=3Dpeople/timf/ipfire-2.x.git;a=3Dshortlog;h=3Dref= s/heads/ipblacklist >=20 > Yes Tim's link to his ipfire git pages which links your URL. Okay, I just set up your very own repository over here: https://git.ipfire.org/?p=3Dpeople/helix/ipfire-2.x.git;a=3Dsummary I will send you a private email with your account stuff. >>=20 >> That would have been one of my first questions having looked at my emails >> again: Get the code into some Git repository. >>=20 >> This is a large patchset and it is very difficult to scroll up and down to >> review it. Uploading it to a Git repository that is browsable in a web >> browser somewhere would be a lot better and we can put any patches on top >> of the branch, so that we only will have smaller changes to review and not >> a whole patchset again and again. >>=20 > I think the very large patch which gave you problems in May 2020 and linked= =20 > to below and (PATCH v2 0/8 on Patchwork), patched the abandoned version 1 o= f=20 > ipblacklist to version 2. The resulting V2 patches: >=20 > ipblacklist: Build infrastructure > ipblacklist: Modifications to system > ipblacklist: Ancillary files > ipblacklist: WUI menus, language file etc > ipblacklist: WUI Log details page > ipblacklist: WUI Log page > ipblacklist: WUI Settings page > ipblacklist: Main script >=20 > are on: > https://git.ipfire.org/?p=3Dpeople/timf/ipfire-2.x.git;a=3Dshortlog;h=3Dref= s/heads/ipblacklist >=20 > I think these were (at May 2020) pretty much ready to go and would only nee= d=20 > updating if the core files have changed in the meantime. To date the only=20 > required patch I am aware of would be to ipblacklists.dat to reflect the=20 > changes in the latest version of IPFire. (There could be others as I only=20 > patched my system files rather than replaced them) What changes are those? >> Do you have a Git repository somewhere? Would you like me to set up your >> IPFire account so that you can use our servers? >>=20 >=20 > I have a Git Development Environment on this computer (Debian Sid 5.16.0-1- > amd64 16GB memory) currently at core163 but is a bit short of room as the=20 > disk is showing 95% full. Your offer of an account on IPFire might be a=20 > sensible alternative.=20 See above. >> Do you have experience with Git? >>=20 >> We would need to rebase the branch onto next (which Adolf has already >> pointed out), but I don=E2=80=99t think this would be a problem because we= are >> mainly adding new code and don=E2=80=99t modify too much existing stuff he= re. >>=20 > I don't think that would be a problem. Great! >=20 >>> You may be interested in one of the modification I have made to >>> ipblacklist, is to add an additional local blacklist to the sources file >>> to get a >>> blocklist from a web server on my local network. This is populated by a >>> script which greps the mail server logs for SMTP Auth attacks and has >>> been particularly useful in protecting the mail server from a recent >>> botnet attack where the offending ip addresses have been recycled every >>> one to three weeks. Currently the blocklist contains about 3000 ip >>> addresses and has blocked nearly 2000 smtp auth attempts so far to-day. >>>=20 >>> I also use fail2ban and Banish to manage iptables blocks on the firewall. >>=20 >> This is kind of a fail2ban but on the firewall. Since this patchset is >> already so large and there has been a custom blocklist existing before >> which got removed, I would push this project back a little bit until we >> have a base that we can add new features to. >>=20 > I wasn't suggesting that we add this to the current ipblacklist version.=20 > However it only requires 1 extra resource added to the sources file so the = > modifications are minimal but would have limited user appeal and it does=20 > require some local processing of server lo files. However for my botnet=20 > attack it is being very effective. Okay. It is great to see that this works wonders already :) >> I am not entirely convinced that this functionality scales well across all >> users. How would they move the logs to the firewall? We don=E2=80=99t have= a >> simple API, but if we did, we would not have a system to authenticated >> other servers. This would be a project that I would find a little bit more >> complicated and we would need a couple more pieces in the puzzle before we >> are ready for it. >>=20 > I fully agree. >=20 >>> The last communication I could find between yourself and Tim was in May >>> 2020. https://lists.ipfire.org/pipermail/development/2020-May/007822.html >>=20 >> Thanks for finding this. Indeed the conversation just ended in nothingness >> due to lack of time of everybody I would suspect. >>=20 >> I could not find anything on the list that I would consider a blocker. >> There are however some smaller things like translations and probably there >> will be a couple of minor bugs and some improvements to the look and feel. >>=20 > There are a couple of points we need to consider: >=20 > 1) IPBlacklist does not work very well if Tim's ipfblocklist add-on is als= o=20 > installed. My view is that the add-on should be removed before IPBlacklist = > can be applied. Can the add-on be automatically removed on installaion and = > should we transfer the settings info from ipfbocklist to ipblacklist? Yes, in theory we could remove any old files in the updater and install our o= wn ones. > 2) I added a init script to my firewall which doesn't seem to be present on= =20 > Tim's patches. I'm not sure if this is needed as it will be started by fcro= n=20 > or changes made in the WUI but won't be instantly available on re-boot. Do = > you have any thoughts on this? What does the script do? >> So, can we start with rebasing the Git branch, please? >>=20 >=20 > No problem. >=20 > Rob >=20 -Michael --===============6601010017143877657==--