All Questions
32
questions
0
votes
1
answer
125
views
How to resolve an asymmetric routing issue?
I have a network consisting of the following:
PfSense router with untagged network 10.1.0.0/23 and tagged VLAN 40 network of 10.1.40.0/24.
I have a wireless computer connected to the the 10.1.0.0 ...
- 1
1
vote
1
answer
239
views
IPTables rules and networking with problems 2
My plan is to have a computer that forwards all traffic from internal interface ens19 to openvpn-interface tun0. The system has 2 physical interfaces: ens18 for local network with Internet connection ...
- 11
0
votes
1
answer
139
views
IPTables rules and networking with problems
I'm using a Fritzbox for normal network and an own installed Router on rpi3 for an own network with openvpn, dnsmasq and iptables. Over the last few years the setup worked good. You can find the ...
- 11
0
votes
1
answer
210
views
PaloAlto FW behind two consumer routers cannot reach internet
I'm doing initial setup of a PaloAlto PA-440 firewall at home before I overhaul my LAN but can't get the FW to access the internet to download licenses and updates. What should I look at/change on the ...
- 111
0
votes
0
answers
192
views
How to firewall Windows IP Forwarding
Looking into using a Windows 10 machine as a VPN gateway for a network, using IP Forwarding to make Windows 10 route packets between the Ethernet interface and a VPN interface.
I can foresee needing ...
- 469
1
vote
0
answers
390
views
redirect local requests to ip to other ip (linux - e.g. debian >= 10)
I want to all request to a certain IP:port on the machine A its self (for a current or rather 10/11/12) to another IP = machine B so that requests from processes on machine A are forwarded to machine ...
- 73
0
votes
0
answers
836
views
Using pfSense on proxmox as an Internet router for my LAN
I have 2 networks, one is 192.168.0.0/24 and the other is 192.168.1.0/24.
The first network has access to the Internet and the Internet gateway is 192.168.0.1(my dsl router IP).
The second one has not ...
- 1
0
votes
1
answer
522
views
nftables: isolate VLANs with some exceptions
Say there is a custom router (a Raspberry Pi box) with Debian 11 and nftables installed, with a single physical Ethernet inferface and the following VLANs configured:
eth0.501 192.168.41.0/24 CCTV ...
- 811
0
votes
0
answers
317
views
Can I use VLANs (or virtual interfaces) to create a firewall on single pysical interface?
As my router/gateway to the internet I have an (NB6) SFR-provided, very barebones wifi router. I have to use this to connect to the internet, for auth reasons. This facilitates a mandated 192.168.1.0/...
- 101
3
votes
2
answers
12k
views
How do you properly allow two devices on separate subnets to communicate (PFSense)?
I'm trying to figure out how to get 192.168.0.22 to properly ping/be able to transfer files with 192.168.77.10. Firstly, is this a dumb setup? I'm mainly using it right now just for educational ...
- 53
0
votes
2
answers
178
views
Packet filter (firewall) for a /29 network
My ISP routes a /29 network (8 IP addresses). The first and the last is of course network and broadcast address and the second is assigned to the modem by the ISP. The modem has an ethernet LAN port ...
- 587
0
votes
0
answers
2k
views
No route to host error trying a telnet from a CentOS 7 to another CentOS 7
I have two CentOS 7 machines on a same VLAN (on the external network firewall there are not blocking rules for machines on the same VLAN).
The problem is that it seems that from one of these machine I ...
- 7,201
0
votes
1
answer
475
views
Clients don't see each other on OpenVPN / IPFire
I'm setting up an IPFire Server with OpenVPN and I want my clients to see each other. For this I've set up the OpenVPN Configuration via the webinterface of IPFire and started the server. The OpenVPN-...
- 101
0
votes
1
answer
139
views
Use wifii instead of Ethernet for certain address (win10)
I wonder if is possible to use wifii only for specific address, maybe configured on some file.
As I'm often behind a firewall, my need is to bypass this check by switching under an alternative network ...
1
vote
1
answer
3k
views
Unable to access local server using FQDN... but can access from internet
I have set up a home server on my local home network. I have a registered domain name & website through a hosting provider and have configured a subdomain A record with the hosting provider to ...
- 11