[arm-allstar] SSHD attacks

[David Panscik]

 What about using an "over the air"  * command to turn on/off SSH and set a crontab to turn off SSH at a certain time of day just incase you forget to turn it off yourself.
    On Saturday, January 9, 2021, 03:29:49 PM PST, Danny K5CG via ARM-allstar <arm-allstar at hamvoip.org> wrote:  
 
 Or you could disable access to ssh (at the firewall) and use another remote access method.

https://www.dwservice.net

Simple to install, simple to use, 2FA if you want it.

----- Original Message -----
> From: "David McGough via ARM-allstar" <arm-allstar at hamvoip.org>
> To: "Brad Trogdon via ARM-allstar" <arm-allstar at hamvoip.org>
> Cc: "David McGough" <kb4fxc at inttek.net>, "Brad Trogdon" <Brad at trogdon.org>
> Sent: Saturday, January 9, 2021 9:48:54 AM
> Subject: Re: [arm-allstar] SSHD attacks

> Brad,
> 
> I recommend changing the ssh server to use a non-standard port and then
> adding some iptables filtering to limit excessive connections. I wrote a
> small filter helper in C (hvutmptail program), which is very lightweight.
> 
> I don't recommend running fail2ban on an RPi system, since fail2ban itself
> can be a resource hog.
> 
> 73, David KB4FXC
> 
> 
> On Sat, 9 Jan 2021, "Brad Trogdon via ARM-allstar" wrote:
> 
>> Howdy all,  Looking through the threads I don't see a direct answer.
>> 
>> I am getting pounded by login attempts and have turned off the port.  My
>> question is should I set up fail2ban or Sshguard to discourage open
>> hammering?  Is there anything included in the HamVoIP image that I could
>> take advantage of?
>> 
>> -Brad W4INT
>> _______________________________________________
>> 
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>> 
> 
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