Questions tagged [shorewall]

A higher level interface to Netfilter. Shorewall compiles its configuration files to rules that are applied through iptables/ip6tables.

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Shorewall - Allow Client to Ping Internet but Not Use the Browser or Port 80

My network address is 192.168.5.0. My host machine is 192.168.5.1 and my client machine is 192.168.5.2. How will I enable my client to ping the internet through the terminal but restrict it from ...
alyssaeliyah's user avatar
3 votes
1 answer
16k views

What range of UDP ports may rtsp use, to configure a firewall?

To allow incoming rtsp streams, I must open incoming TCP port 554. I must also open a range of UDP ports. 6970 through 6999, says http://comments.gmane.org/gmane.comp.security.shorewall/660 . At ...
Camille Goudeseune's user avatar
3 votes
1 answer
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Use Shorewall to port-forward requests based on the domain requested to different servers

How can I get my firewall to port forward traffic that is comming into different domain to different servers. So I have two web servers. Each one hosts different domains on different servers/IP: ...
nelaaro's user avatar
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2 votes
1 answer
961 views

Setting up Ubuntu Server router in VM using Netplan, Shorewall and DNSMasq - unable to access internet from internal network

I'm currently creating network based on Ubuntu Server. It's implemented as VM in VirtualBox and looks like this: Ubuntu Server - 3 network interfaces. 1st - enp0s3, internet connection. 2rd - ...
Franek Madej's user avatar
2 votes
0 answers
236 views

Determine if an uplink interface is usable

I have a firewall system that is served by two uplinks to different ISPs. I'm using shorewall to manage the firewall; it load-balances traffic over both interfaces with connection tracking. All that ...
w00t's user avatar
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1 vote
3 answers
934 views

Setting up two ADSL lines for home/business use

As a follow-up to this question which is still unresolved. I have two ADSL routers with different providers connected to different phone lines to the internet. As shown in the diagram. These routers ...
Mark Allison's user avatar
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1 vote
2 answers
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Weird slow uplink problems on my home Debian router and new fast connection

Yesterday I got a new and shiny VDSL2 connection home! It's specced at 100Mbit/10Mbit, and seems to deliver pretty close to the mark. Now, I have a Debian squeeze linux box acting as a home NAS and ...
tstm's user avatar
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1 vote
1 answer
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Ubuntu 11.10 firewall/gateway - no client internet access

I have read many other posts but cannot figure this out. eth0 is my external connected to a Comcast modem. The server has internet access with no issues. eth1 is internal and running DHCP for the ...
Siriss's user avatar
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1 vote
0 answers
225 views

How to add a WIFI access point to a working wired gateway that's utilizing Shorewall, dhcpd , unbound and hostapd?

I have a PC that acts as server/gateway/router for a LAN. And i'd like to add a third interface to act as wifi access point to it, such as that the LAN devices can reach the WIFI connected devices, ...
DhP's user avatar
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Shorewall is blocking everything. How to tweak it?

I had used old DIR-400 router for years, but now it starts hanging and have problems. So I thought to replace it with a 2-ports motherboard with linux onboard, to be able to tweak and run some ...
xakepp35's user avatar
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Public - Private networks behind NAT Modem using OpenVPM – Shorewall

I have been asked to configure a firewall between the public and private parts of a network for a small UK charity. The only imposed requirements is that the firewall must allow access using VPN into ...
Frank Smith's user avatar
0 votes
1 answer
226 views

Shorewall IPv4 Forward rule on same interface

I have a shorewall configuration and would like to allow traffic, coming from one interface and going out to the same interface. The traffic is going from 192.168.108.2 -> 192.168.108.1 -> 192....
Ronny Forberger's user avatar
0 votes
0 answers
31 views

Website link + ctr -f shortcut

There is a specific paragraph on a webpage that I want to share with my visitors. However it takes a while to scroll down and find the text. Ctr+ f solves that issue. However, you have to do that ...
Gianna's user avatar
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Ubuntu 18.04 dual iface gateway with no internet activity

I'm having trouble getting my two interface Ubuntu Server (18.04) to: have a working pppoe connection to the internet, and; share that connection with the rest of my LAN. I mention 2. because in the ...
Ben's user avatar
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