[ale] nslookup OK - No ping or access from proxy client

[Boris Borisov]

When you say proxy server do you mean you running proxy software on it or
you just using it as getaway?

On Sat, Jun 10, 2023, 20:56 Don Thrash via Ale <ale at ale.org> wrote:

> Hi Guys! My name is Don Thrash. I have been using Linux for quite a
> while but the head isn't what it used to be. So I am looking for a
> little help.  I am setting up a proxy server on the following machine.
> I had it working a week ago.  Now I am totally confused.  The issue is
> the proxy client does not get routed to the networks (local or
> internet). Ping of google.com from the client returns the correct ip
> address, but the ping returns timed out.  Typing in the ip returns timed
> out.  The client is a Windows 10 box, I also tried my Ubuntu laptop with
> the same result.
>
> Ubuntu 22.04.2 LTS (GNU/Linux 5.19.0-43-generic x86_64)
>
> wlx002522451a1f - WiFi from house to shed 192.168.1.0
>
> enp0s25 - Wired shed network - 10.42.0.0
>
> dont at Shed2:~$ route -n
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
> 0.0.0.0         192.168.1.1     0.0.0.0         UG    600 0        0
> wlx002522451a1f
> 10.42.0.0       0.0.0.0         255.255.255.0   U     100 0        0
> enp0s25
> 192.168.1.0     0.0.0.0         255.255.255.0   U     600 0        0
> wlx002522451a1f
>
>   sudo iptables -L
> [sudo] password for dont:
> Chain INPUT (policy ACCEPT)
> target     prot opt source               destination
>
> Chain FORWARD (policy ACCEPT)
> target     prot opt source               destination
>
> Chain OUTPUT (policy ACCEPT)
> target     prot opt source               destination
>
> Network connections from server work correctly.
>
>   ifconfig
> enp0s25: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>          inet 10.42.0.1  netmask 255.255.255.0  broadcast 10.42.0.255
>          inet6 fe80::a88e:9d27:e490:8c8d  prefixlen 64  scopeid 0x20<link>
>          ether 00:1e:4f:c7:0a:c0  txqueuelen 1000  (Ethernet)
>          RX packets 26627  bytes 2224357 (2.2 MB)
>          RX errors 0  dropped 0  overruns 0  frame 0
>          TX packets 14280  bytes 9276316 (9.2 MB)
>          TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
>          device interrupt 21  memory 0xfebe0000-fec00000
>
> lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
>          inet 127.0.0.1  netmask 255.0.0.0
>          inet6 ::1  prefixlen 128  scopeid 0x10<host>
>          loop  txqueuelen 1000  (Local Loopback)
>          RX packets 10037  bytes 912910 (912.9 KB)
>          RX errors 0  dropped 0  overruns 0  frame 0
>          TX packets 10037  bytes 912910 (912.9 KB)
>          TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
>
> wlx002522451a1f: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
>          inet 192.168.1.164  netmask 255.255.255.0  broadcast 192.168.1.255
>          ether 00:25:22:45:1a:1f  txqueuelen 1000  (Ethernet)
>          RX packets 235508  bytes 162967763 (162.9 MB)
>          RX errors 0  dropped 6  overruns 0  frame 0
>          TX packets 183068  bytes 31113448 (31.1 MB)
>          TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
>
>
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