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Questions tagged [iptables]

2020欧洲杯手机版注册GENERAL IPTABLES SUPPORT IS OFF-TOPIC. Support questions may be asked on http://superuser.com. An application that allows administrators to configure the packet processing tables provided by the Linux kernel firewall. Use this tag only for questions on programming with iptables. Questions about configuring iptables should be asked on Server Fault (http://serverfault.com/tour).

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Forwarding traffic from an LXD bridge to 2 interfaces

The SetupOn one physical host (all on the same box):I create an LXD Bridge (kinda like a switch?) vm_bridge with the subnet 10.0.13.0/24 and IP 10.0.13.1 (disabled firewall to prevent auto ...
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IP Tables : adding hostname instead of IP

I am tring to allow a specific IP on the server ( for incoming connections ) but once I run the command and do a iptables -L there is string ( i think hostname ) instead of the IP. So the incoming ...
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How to connect from one server to another server`s postgresql database by configuring firewall

I am trying to connect from Ubuntu 16.04 server to Gentoo server`s Postgresql database. But i cannot connect to it. Ubuntu server has internet with static Ip: 93.154.53.88. In my Gentoo server has Ip:...
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How to bypass default drop policy in iptables [closed]

I am new to iptables and I need to block all HTTP/HTTPS traffic except to a certain IP (I am using below the IP of example.com)iptables -A INPUT -p tcp -s 93.184.216.34 –-dport 443 -j ACCEPT...
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IP Traffic Accounting for OpenVPN users [closed]

I'm trying to find a way to do traffic accounting for OpenVPN to build graphs with inside the webpage admin panel for OpenVPN. I have everything done. But i cannot get the IPTables to work correctly, ...
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Nat source by user in firewalld Centos 7 [closed]

i'm not so expert about the new firewalld packages which is used in Centos 7.I've a VPS, for example, with 3 different users account, let say user1 user2 user3; i create with :adduser user1adduser ...
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Forwarding wlan0 traffic to apache server ip (iptables) [closed]

I want to forward all traffic from the interface wlan0 (which some devices are connected to hotsapd access point) to my apache server index.html so that it will be like a captive portal.What is the ...
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Dnsmasq with changing DNS servers

i am struggling a bit around setting my DNS server properly. My network setup looks like:eth0 - 192.168.0.0/24 - DHCP enabledwlan0 - 10.0.0.0 /24 - DHCP disabledtun0 - 10.5.0.0 /24 - DHCP ...
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opening port with iptables rules [closed]

I am FreeBSD / pf guy but I am working on a project that run on Centos8.I need to pock a hole in the firewall (TCP 6640).As I have zero experience in iptables, I started asking google and quicly ...
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How to redirect all traffic from clients of openvpn into the socks5?

I've configured openvpn fully as udp port.The openvpn network address is 10.8.0.0.And I've set up the redsocks proxy like followings.base { log_debug = on; log_info = on; log = "stderr"; ...
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Localhost port forwarding for KVM/QEMU

Hi all and thanks for the help in advance. I am quite new with iptables and just can't figure out my problem. I want to be able to connect my Ubuntu VM in 192.168.100.11:22 with command ssh user@...
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How to organize traffic between two devices through a third server?

I have two machines (which are not on the local network) that send packets to each other to specific UDP ports. I want to organize this traffic through my Ubuntu server.For example if a package was ...
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Kubernetes load balancing not working for multiple pods in same node

Let me try and explain this as best as i could:Using only 1 node (single node clustering)3 Pods (Pod A, Pod B, Pod C) of same application in this node. These are vendor application which are not ...
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How can i configure iptables policies with docker to block externals ip

I am trying to restrict access to containers from external IP. I followed docker documentation at http://docs.docker.com/network/iptables/ but it not working.I have created a bridge network:...
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too few arguments to function ‘NF_HOOK’

I am installing xtables-addon to CentOS 7.configure command completes, Errors comes while making (./make)/root/xtables-addons-2.13/extensions/xt_TARPIT.c:295:3: warning: passing argument 3 of ‘...

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