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  • How to enable IPv6 via miredo along with UFW?October 21

    Ubuntu provides some good information on how to enable UFW and on how to enable IPv6 with miredo: https://wiki.ubuntu.com/UncomplicatedFirewall https://wiki.ubuntu.com/IPv6 But what is missing is information on how to properly configure UFW to let Mi

  • My miredo client don't work after upgrading to 15.10

    My miredo client don't work after upgrading to 15.10October 25

    I have used miredo in 15.04 ,and it works very well.But after I upgrad my Ubuntu to 15.10 yesterday,it doesn't work any more.Here is some information. $ ifconfig teredo teredo Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 i

  • Disable connection tracking with UFW for port 80July 21

    During load testing my server is dropping packets due to "connection tracking" way before it's running out of resources. I'm using Ubuntu Jaunty with ufw. In my syslog I get: ip_conntrack: table full, dropping packet. I looked at upping the max

  • Upgrading to ufw on Ubuntu 9.04August 30

    I've recently upgrade my Ubuntu server install to 9.04. I'd like to install and use ufw. Is there a way to import my existing iptables into ufw? I'm worried about switching it on, and having all my ports closed. I'd like to open up a single additiona

  • UFW on Ubuntu to Allow All Traffic on LANOctober 13

    I want to allow all LAN traffic to my Ubuntu server. I have read the documentation and see the command, but when I try to edit the command for my IP range I get an error. How can I allow all traffic starting at 192.168.15.0 - 192.168.15.255? sudo ufw

  • UFW as an active service on UbuntuNovember 28

    Every time I restart my computer, and check the status of the UFW firewall (sudo ufw status), it is disabled, even if I then enable and restart it. I tried putting sudo ufw enable as one of the startup applications but it asks for the sudo password e

  • NAT problem with UFWDecember 19

    I'm trying to setup up an Ubuntu server, and first I want it to act as NAT/router/firewall. My question is: How do I make it so the computers connected to the LAN, can access Internet? eth0 Link encap:Ethernet HWaddr 00:1c:23:87:d3:be inet addr:213.1

  • How to allow outbound traffic with UFW?July 4

    Ubuntu 10.04 | VPS Hi guys, I'm setting up a VPS server running Ubuntu 10.04 and I presently just want to allow ssh. I thought the following ufw commands would work... ufw default deny ufw allow 22 ufw allow from <local IP of vps> ufw enable SSH wor

  • ufw says a port is open, everyone else disagreesAugust 2

    I am running apache2 on Ubuntu 9.10, and I want expose a particular site through port 10045. My first instinct was to go to ufw and open that port. I've done that, and if I do a list of rules in ufw I get this: Status: active To Action From -- ------

  • Correctly setting up UFW on Ubuntu Server 10 LTS which has Nginx, FastCGI and MySQL?August 10

    I'm wanting to get my firewall on my new webserver to be as secure as it needs to be. After I did research for iptables, I came across UFW (Uncomplicated FireWall). This looks like a better way for me to setup a firewall on Ubuntu Server 10 LTS and s

  • Bandwidth limit by IP on Ubuntu UFW NATAugust 23

    How can restrict the bandwidth (or perhaps rate of packets) of each IP's traffic going through my Ubuntu Server 10.04 UFW NAT box? (If this belongs on another SOI site, please move it.) --------------Solutions------------- Look here. Fairly complicat

  • Ubuntu Linux UFW Firewall, Local Intranet AccessAugust 24

    At home, I have Ubuntu server with the UFW firewall. What command do I type to turn on local intranet access to my web server, but keep the outside world out from my DSL modem? --------------Solutions------------- I would guess something like: sudo u

  • How do I set ufw to allow internal network connections?September 12

    I'm configuring an Ubuntu Server for my home network to handle NAT and firewall. I've configured dnsmasq and verified that it's working correctly. I want all connections from my internal network to be allowed. However, once I enable ufw, the connecti

  • How to enable ufw firewall to allow icmp response?October 14

    I have a series of Ubuntu 10.04 servers and each one has ufw firewall enabled. I have allowed port 22 (for SSH) and 80 (if it's a webserver). My question is that I am trying to enable icmp echo response (ping reply). ICMP functions differently than o

  • How can I open a range of ports in ubuntu using (g)ufw for use with membase?October 14

    I have membase (membase.org) installed and I have to open a bunch of ports in order for the cluster to function Adding the single ports was easy enough but I can't work out how to open the range 11200-11299 --------------Solutions------------- You ca

  • What does this UFW log mean?October 18

    CC-02 kernel [ 399.656733] [UFW BLOCK] IN=eth0 OUT= MAC= SRC=192.168.2.11 DST=192.168.2.22 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=14158 DF PROTO=TCP SPT=47368 DPT=22 WINDOW=5840 RES=0x00 SYN URGP=0 The output from sudo ufw status verbose Status: active

  • Is there a way to keep UFW logging out of dmesg?November 1

    There are comments in the /etc/rsyslog.d/20-ufw.conf file that give you the option to keep UFW-events from being logged to the kernel and message logs, which i have done. I would really like to get UFW-events out of the dmesg as well, but how to acco

  • Ubuntu: How to add an iptables rule that UFW can't createNovember 5

    UFW is working really well for me except in the cases where it doesn't... I want to be able to add another rule manually that will be applied on boot? where should i put this rule? how should I make it start at boot? how do I make it play nicely with

  • what's wrong with my ufw configuration on Ubuntu server?

    what's wrong with my ufw configuration on Ubuntu server?December 13

    I've setup the ufw firewall for my Ubuntu server on linode as follows: Note that this is in the Lish terminal, unfortunately as soon as I turn on the ufw, I cannot: view my test website via port 80 from browser, or even curl -I to get its response he

  • Should I be using iptables or ufw?January 10

    I know of iptables. I know of ufw. I've been using ufw in the past just because it's easier to setup and use. However, which one should I be using? Is iptables more secure? Is ufw more stable? I have no idea, hence why I'm asking here. --------------

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