Latest Server related questions

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HGO avatar
Postfix/Dovecot domain based forwarding
br flag
HGO

We would like to make a pilot test the Google Workspaces Gmail for some of our users. According to google documentation, we need to setup our server to make server based forwarding which everymail will be forwarded to ASPMX.L.GOOGLE.COM.

So when I define the mailboxes on Workspaces, they will get the messages from our dovecot/postfix server on prem.

Which setting may allow this?

Thank you

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John Nemo avatar
Understanding SSH Public Key Auth Ciphers
in flag

I have a technical recommendation for SSH that states we should only use the following algorithms for Public Key authentication. Unfortunately the guide does not mention the exact names of ciphers as they are used in OpenSSH an I have difficulty mapping the two.

Does anyone know what SSH ciphers the following might correlate with:

  • pgp-sign-dss2
  • ecdsa-sha2-*
  • x509v3-rsa2048-sha256 
  • x509v3-ecdsa-sh ...
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Alan avatar
using hostname instead of IP address in vpn
fi flag

I server noob here and I've a problem at my hand, I've a VPN and there are several VMs connected to it, each host a specific service. These services are running on a specific port (3000,8080). So when I want to access a service in my browser I go to 192.168.10.2:3000 or 192.168.10.3:8080. What i want to do is, instead of using the ip address of each machine I want to give each machine a hostname and use ...

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BSD/Mac route with multiple hops / Zerotier managed routes
my flag

In my home network, I have two routers.. my main internet router (192.168.0.1) and a machine that routes certain networks over a different connection (192.168.0.78).

On my Mac, I statically configure the networks that I need to reach to use the machine 192.168.0.78, e.g.

route -n add -host 10.11.10.25 192.168.0.78

I'm now using Zerotier to access machines in my homenetwork when I'm on the road.  ...

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Is it possible to place your own equipment with AWS/GCE/Azure?
cn flag

Is it possible to host/colocate your own rack servers/equipment in Google's/Amazon's/Microsoft's data centers?

Google has an option for hosted private HSM but explicitly notes that this is not a general server housing solution

This offering is limited to FIPS 140-2 Level 3 (or better) certified HSMs, and is not a generalized hosting or colocation service.

Another option is to house your servers n ...

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LlaGuiTo avatar
I can't edit the url to remove the name of the app
cn flag

I am deploying an angular 13 application in a tomcat 9 environment.

This is the domain I am using: http://streamsspain.com/

And this is the result: http://streamsspain.com/streamsspain_web/

The problem that I find is that I use a proxy from apache2 in an Ubuntu 20 operating system, the redirection is done correctly on the tomcat server from the apache2 server, but I need to remove the name of the applic ...

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startergate avatar
Can many connections cause dns lookup or request timeout?
ar flag

I'm running crawler on my company's internet. 10 raspberry pi * 45 crawlers each, 2 desktops * 70 crawlers each

These processes are sending requests 24/7.

3~5% of packets are getting lost. This is affecting queuing system heavily.

I'm using my internet company's wifi router and Ubiquiti Unifi 24-port PoE switch.

The router has a quad-core CPU and 512 MB RAM.

Can these many requests cause packet los ...

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Eloi Juszczak avatar
Apache using an expression in the mod_ext_filter module
gb flag

I need to configure an apache reverse proxy to return a js script on each page. For that, I use a perl script that injects the javascript to the pages. To do this, I used the following directive: ExtFilterDefine fixtext mode=output intype=text/html cmd="/home/eloi/leanovia/observability/webserver-script/ttk-js-rum-injector.perl ${cookies_retrieved}" I succeeded until this step.

However, I need to get th ...

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