Selfhosted
A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
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I didn't know MS exchange could be used as a WAF. Will need to read more about that.
Can I host Intune completely on-prem?
What do you mean by "My Sophos is self-contained"?
Does your Cisco router get updates? My problem with these companies is that they build backdoors in their firmware for agencies to use. Are you monitoring the network usage of your Cisco gateway?
Using AD/RADIUS on-prem is an intriguing idea. I didn't consider it because if my AD server goes down I'm essentially locked out of my services. I need to think more on this. Thanks.
I have the older Sophos utm, which doesn't use the Sophos cloud central manager.
I think their new firewall utm can work disconnected, but I don't know.
Sophos has a home use license that's free for non business use.
I love companies that do community edition or free home use.
Sophos, Veeam has nfr, Elastiflow has community edition, which is a netflow.
This is the first time I've come across Elastiflow, thanks for mentioning it. Seems like an intriguing service to add.
I was considering using Suricata/installing Security Onion to do IDS from the certificate from a private CA. Sophos firewall seems pretty good too.
Sorry for confusion. I use Sophos utm as a WAF for exchange. Basically reverse proxy that is specifically programmed for exchange attacks. It allows OWA to keep working.
I put the exchange admin URL behind authentication, so you try to go to /ecp, it Sophos intercepts and make you authenticate to Sophos utm first, which is passing to ad with radius.
MS got rid of intune on prem. It's only Azure service now. I think.
My router is my biggest vuln. Oddly the most important. It's an enterprise ISR. It's updated as far as possible. My paranoia ends with the US gov/NSA. I don't care if they want back door oddly. I don't want China using me for attack relay however.
Loads of monitoring. You do a span/mirror port to your IDS like security Onion. Let it analyze all your traffic. Apparently there are some state sponsored exploits that allow them to owe a router at kernel level and hide their activities from you and monitoring, but that's a level I can't deal with.
As far as lock out, you create a break glass on everything. Emergency account with non rememberable ridiculous password, saved in a safe place.
This is such a great and a simple idea. Thanks.
I think I followed your setup at a high level, but because I don't have hands-on experience with AD I didn't quite catch the scope of it. Thanks for letting me know, I'll get some reading done when I get the time!