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  1. 05/09/2022 · MikroTik Solutions 164.6 days: 3: Musings on Docker 71.9 days: 6: Remote Log Server 58.8 days: 7: Using fail2ban with Remote syslog 71.9 days: 25 ...

    • Motivation
    • The Many, Many Problems with Docker on RouterOS
    • Conclusion

    MikroTik added Docker support to RouterOS in 7.4beta4, which allows you to run third-party background services directly on the router. While there is likely to be a small explosion of services that work quite well in this environment, there are a number that will not. I thought it was interesting to think through one such problem, that of a fail2ba...

    1. CPU Compatibliity

    The Docker cross-compilation tool chaindoesn't support any MIPS CPU type, ruling out a large fraction of the RouterOS devices from the outset. Docker also doesn't support obsolete platforms like 32-bit PowerPC and the TILE CPU architecture, ruling out even more MikroTik products. For our purposes, only routers with ARM or x86 CPUs are in the running from the start.

    2. Third-Party Requirements

    If you're able get past problem #1, you then have to build a Docker container — or find one pre-built — that meets all the run-time requirements of your background service. The ideal case is a single statically-linked executable, but the vast majority of useful software has substantial requirements that one typically doesn't even think about when running the software on laptops, desktops, and big server computers. It's either all just there, ready to be shared, or you've got so much storage t...

    3. Resource Usage

    Python is not terribly resource efficient. A Linux distro and all of the dependencies needed to run fail2banmay exceed the persistent storage space and/or free RAM available on your router. For instance, this fail2ban image hosted on DockerHub will take about half the space on the broad class of MikroTik routers with 128 MiB of storage space. This includes all current members of the CCR2004 line and the RB3011. It even includes otherwise high-end products like the CCR2116 and CCR2216. If we s...

    It is my opinion that all of the above forces you to the bare-metal x86 version of RouterOS or to CHRfor any service requiring substantial amounts of storage. (That, or possibly the RB1100 Dude edition.) Sites that can justify the hardware expense for that likely have an underutilized Linux box sitting around, or at least a VM hypervisor or Docker ...

  2. 05/09/2022 · 2. Set Up the Router. Now that the fail2ban host is receiving log messages from the router (s), you also need to add a firewall filter chain to each monitored router for use in step 3 below: > /ip/firewall/filter > add action=jump chain=input jump-target=fail2ban > add action=return chain=fail2ban. We put this in the "input" chain because we're ...

  3. 05/09/2022 · In addition to storing files with version control, Fossil includes a wiki, where you might document things like backup and restoration procedures. For instance, you might have a preferred method for creating certificates, which you document in a wiki article.

  4. 16/09/2022 · I will try to get all the useful links to threads to look at when some script is needed, that is not yet in wiki or is in wiki, just to get them not buried under loads other posts. Check time of the post, to make some link to RouterOS version these where created for. - IP Pool Statistics - Functions in CMD Scripts

  5. 05/09/2022 · This example uses the MikroTik default of 192.168.88.0/24 for the LAN — with the router as .1 — and the nearby 192.168.77.0/24 subnet for WireGuard. Although port 13231 seems popular for WireGuard, there's nothing about the protocol that requires it. I prefer to put it somewhere random, making it harder for bots to target.

  6. 04/09/2022 · Mikrotik Factory Resetting. Disconnect the device’s power cord. Press and hold the reset button without releasing. Connect the power cord, then wait for the ACT light to begin blinking. Press and hold the button until configuration is cleared. Give the router a few minutes to reset and return to its default settings.