Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.debian.user > #273265

Re: subnet subset blocked

Show all headers | View raw

On 24 Sep 2024 21:31 +0100, from adamw@matrixscience.com (Adam Weremczuk):
> I've just launched a Debian 12 VM in VMware (ESXi 7.0.2) and installed
> apache2 / php / postgres stack on it + ssh access.
> 
> Generally we have 3 subnets (IPv4 only):
> 
> - 192.168.4.0/22 (Ethernet LAN) - which starts with 192.168.4.1 and ends
> with 192.168.7.254
> 
> - 10.10.10.0/24 (VPN1)
> 
> - 10.10.20.0/24 (VPN2)
> 
> The new VM runs at 192.168.4.12

> I can access TCP services (22, 443) from 192.168.4.x, 10.10.10.x and
> 10.10.20.x but not from 192.168.5.x (a subset of Ethernet LAN).

To me this smells like a subnet mask length issue.

Triple-check that `ip a sh` shows the IP address and subnet mask that
you expect.

-- 
Michael Kjörling                     🔗 https://michael.kjorling.se
“Remember when, on the Internet, nobody cared that you were a dog?”

Back to linux.debian.user | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

subnet subset blocked Adam Weremczuk <adamw@matrixscience.com> - 2024-09-24 22:40 +0200
  Re: subnet subset blocked Dan Ritter <dsr@randomstring.org> - 2024-09-24 23:50 +0200
    Re: subnet subset blocked Adam Weremczuk <adamw@matrixscience.com> - 2024-09-25 12:40 +0200
      Re: subnet subset blocked Dan Ritter <dsr@randomstring.org> - 2024-09-25 14:20 +0200
        Re: subnet subset blocked Andy Smith <andy@strugglers.net> - 2024-09-26 04:00 +0200
      Re: subnet subset blocked Erwan David <erwan@rail.eu.org> - 2024-09-25 14:40 +0200
        Re: subnet subset blocked Adam Weremczuk <adamw@matrixscience.com> - 2024-09-25 15:40 +0200
  Re: subnet subset blocked George at Clug <Clug@goproject.info> - 2024-09-25 00:40 +0200
  Re: subnet subset blocked Michael Kjörling <c9bc136c6063@ewoof.net> - 2024-09-25 08:50 +0200

csiph-web