a technological barrier designed to prevent unauthorized or unwanted communications between computer networks or hosts

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2answers
15 views

Firewall Ports for Filesharing With OSX

I tried searching for this but I'm coming up short. Maybe my wording is wrong. I have my Ubuntu machine showing on my LAN - and I can see it from the Finder Window in OSX - but it won't connect when ...
0
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0answers
16 views

Gufw log: rejected, denied and allowed connections

I have got Gufw installed, and I have set some firewall rules so that it rejects and allows certain IP addresses. And although I have set it so that it logs-all, I cannot seem to find anywhere where ...
0
votes
1answer
15 views

Ubuntu 12 ufw not allowing connections even if it says Anywhere?

Currently I can't seem to connect to my Ubuntu 12.04 server unless I disable my ufw or if I do a "ufw allow ip_address". When I do a "ufw status" I get the following: I deleted the allow my ...
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0answers
13 views

unable to start (Ubuntu server 14.04) iptables service it show “Unrecognized service”

Ubuntu server 14.04 iptables service start shows: Unrecognized service
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0answers
22 views

Web service only responding to local request

I have a webservice that listen on port 5678 on a remote ubuntu machine. netstats: tcp 0 0 0.0.0.0:5678 0.0.0.0:* LISTEN 10605/node I don't have any ...
0
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1answer
50 views

Do I need to install a firewall, or is there already one active pre-installed?

When I first touched linux, I installed Zorin. It's essentially an Ubuntu fork, but the desktop is redesigned to make it look like home to a person who has been using Windows for a long time. It came ...
1
vote
0answers
30 views

Why can't I connect to my localhost port from a remote computer?

I'm using link-grammar server to convert sentences into semantic graphs. It provides an API though a port to do the above process. It's configured to works through port 9000 of localhost. I used to ...
0
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0answers
27 views

Problem running ufw on Ubuntu 14.04 server

ufw is supposed to be the easy firewall for Ubuntu, but I seem to still having missed something. After a fresh install on my 14.04 server, and leaving it default, the terminal will freeze after ...
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0answers
23 views

UFW open range is still blocked

I have opened up a range of ports using UFW. The rules in question are shown below (output of sudo ufw status numbered). I have restarted UFW since I added the rule, yet in lnav I still see log ...
0
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0answers
52 views

ufw on ubuntu doesn't work, how to deactivate plesk firewall?

Since I'm a totally newbie to server stuff but I needed to set up a vServer, I let install Ubuntu 14.04 AND Parallels Plesk on it. Now, I think it would have been better to install Ubuntu without ...
0
votes
1answer
73 views

No UFW logs at syslog

I'm using here the UFW as a basic protection. When I'm using the wi-fi from the college I get some UFW block (which is normal, because the firewall is ON). But strangely, I'm not getting any UFW logs ...
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0answers
29 views

GUI Firewall status display

I'm looking for a panel item or screenlet or something to display the status of my firewall. /usr/bin/firewall-applet appears to be the right thing and it is already in "Startup Applications" ...but I ...
0
votes
0answers
49 views

iptables: write UDPv4: Operation not permitted (code=1)

I am trying to set up a stateful firewall using iptables. It is for use on my desktop machine. Below are the contents of my firewall script: #!/bin/bash iptables-save > ...
0
votes
1answer
32 views

Configure UFW to allow only established and related conections (on IPv4)

I want to configure ufw to deny everything except the related and established connections. On iptables I usually did : -P INPUT DROP -P FORWARD DROP -P OUTPUT ACCEPT -A INPUT -m state ...
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votes
2answers
670 views

I think my PC is being hacked. What should I do? [closed]

I'm afraid I'm being hacked: My Ubuntu is receiving inbound traffic while my PC is disconnected from Ethernet and WIFI, so my question is, how am I receiving inbound traffic? I even have a firewall ...
1
vote
0answers
16 views

Ubuntu as a bandwidth throttling box on windows network

I need to test the performance of some applications over different capacity connections (broadband, EFM, LAN extension etc). How would i configure an Ubuntu server to sit between the main network ...
1
vote
0answers
27 views

Transparent proxy listening on sub-interfaces

I have iptables and squid on the same box. HTTP traffic doesn't seem to be going through the transparent proxy when I change my rules on the filter table. What is the best point to filter http ...
0
votes
0answers
14 views

OpenVPN disables DNS due to firewall

I'm trying to use an OpenVPN service with Network Manager. When I'm on wireless and activate the VPN, it works flawlessly, but when I'm on a wired connection, I have no Internet access. Through trial ...
0
votes
1answer
55 views

IP Tables allow HTTP and HTTPS

I am setting up a basic Firewall rules for my Laptop but I cant seem to get HTTP and HTTPS, thus using of the Webbrowser to work. My current rules are like this # 1. Delete all existing rules ...
0
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0answers
9 views

Subdomains Stopped Working after APF Firewall Install

I've just installed APF Firewall to my Ubuntu 12.04 server. Everything went fine and www.threecreative.co.uk is displaying okay, but none of my subdomains appear to be working. Any thoughts? For now, ...
0
votes
0answers
78 views

What is Network-manager trying to do with rdisc?

I have quite strict firewall setup using (g)ufw, allowing only some known to be useful outgoing traffic and denying the rest. I have noticed these recurring messages in syslog, and I'm wondering what ...
-2
votes
1answer
129 views

I Had a Backdoor Mal Ware on W7. Will it Pass on to Ubuntu? [duplicate]

October 15, 2014, I got hit with a team of revenge hackers. They are working for my ex-father-in-law. He has been proxy stalking me since 2004 but since that has no effect on me anymore, he decided to ...
0
votes
1answer
32 views

UFW wont delete rule

I was testing something and added a rule to my firewall to allow port 9000. in retrospect, I should have just disabled it temporarily. anyhow, I went to remove the rule and it wont let me, it says ...
1
vote
1answer
27 views

Adding firewall rule makes multiple entries

I am trying to add a rule to my Ubuntu 14 iptables to allow NTP (123) though using the command for allowing Incoming Traffic on Specific Ports Basic iptables How to? Here is my command: sudo ...
0
votes
0answers
55 views

remote CORBA lookup (firewall, port, telnet)

I'm trying to do a CORBA lookup on a LAN from one pc to another. How do I troubleshoot the connection? On the server running glassfish: thufir@doge:~$ thufir@doge:~$ ...
1
vote
1answer
84 views

UFW - How to make it easier and what are stealth ports can UFW have these? [closed]

Let me show u what I jusat wasted 2 hours doing: To Action From -- ------ ---- 22 REJECT Anywhere 23/tcp ...
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votes
0answers
79 views

error: Idle Subprocess didn't make a connection. Either Idle can't start a subprocess or personal firewall software is blocking the connection

When i run idle it returns the above stated error. It happened after I installed python 3.4. both 2.7 and 3.4 are giving this error.
0
votes
1answer
158 views

Adobe on Ubuntu 14.10

I want to install Adobe Master Collection CS6 on Ubuntu. I've installed Wine. ( the newest version. What I have allready done: sudo add-apt-repository ppa:ubuntu-wine/ppa sudo apt-get update sudo ...
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0answers
33 views

Iptables: some ports are closed despite being open by my iptables; can it be something else?

Beginner question. I set up the following iptables rules: #!/bin/sh # Réinitialise les règles sudo iptables -t filter -F sudo iptables -t filter -X # Bloque tout le trafic sudo iptables -t ...
2
votes
1answer
251 views

ERROR: problem running ufw-init

I tried setting up ufw on my remote Ubuntu 14.04 server so i installed it and allowed ssh with the command sudo ufw allow ssh after that I tried to enable ufw but I get the following error: ...
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vote
0answers
36 views

How to know the all minimum privileges that software needs?

I am using a VPS as a public proxy, and I have begun to realize that I must make my VPS more secure as I have seen in Securing Public Shadowsocks Server. Shadowsocks is a fast tunnel proxy that helps ...
1
vote
3answers
245 views

Ubuntu / Apache2: I cannot open port 443 [duplicate]

I am trying to install a SSL certificat on my Ubuntu 14 server (using apache 2). For some reason the port 443 appears to be closed I installed and enable ssl /etc/apache2/ports.conf is as ...
0
votes
0answers
47 views

Firewall Config to get access to ports via eth0

My headless ubuntu Server has an OpenVPN client that connects to a gateway provided by PIA. I gathered some settings provided here to basically setup kill switch I have a domain that redirects to ...
0
votes
1answer
36 views

FTP and WWW services don't acknowledge connections

I have Lubuntu 14.04 LTS with vsftpd and the lamp stack (apache2, etc.) installed. Everything works fine on the LAN. Externally, the services don't acknowledge connection attempts. I can see packets ...
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0answers
19 views

VSFTPD setup not working

Good day I think I've been trying to tackle this issue for over 2 months now (with breaks of course) Here's the thing, I've set up the FTP server, it appears to be running (I can use Filezilla, ...
0
votes
1answer
43 views

Linux Firewall ala Outpost

Does linux (Ubuntu) have GUI firewall like Outpost. I need it to look out what apps are generate in/oun bound traffic.
0
votes
1answer
87 views

How can I allow ap-hotspot in ufw Ubuntu 14.04?

When ufw is enable android stuck in obtaining ip address and cannot connect to wifi. I try sudo ufw allow dhclient and sudo ufw allow dnsmasq bot both had ERROR: Could not find a profile matching ...
0
votes
0answers
34 views

I don't have a port allowed in UFW but still able to access server CP at it

Default of firewall (UFW) is to deny all that isn't allowed well 8083 isn't allowed but i'm still able to access the control panel with https://serverip:8083 Status: active To ...
0
votes
1answer
53 views

NFS Client Ports

So I've been trying to get my head around how an NFS client figures out which ports to use, or how to set them. I enabled logging (In iptables on the nfs client) for traffic between the nfs client ...
2
votes
1answer
73 views

loading “explicit” iptables rules on boot or interface up

I'like to load iptables rules on boot or interface going up on Ubuntu. Made a search on StackExchange and other places and looks like the most commonly agreed approach is either use ...
0
votes
1answer
44 views

Ubuntu Server Firewall

First of all I am new to Ubuntu server. I am still trying to understand and learning about how does firewall. I want my firewall like if you fail 3 times it will time out. Is there any body could be ...
0
votes
0answers
174 views

Cannot access apache server from LAN

I set up a virtual host for my web app: <VirtualHost *:80> ServerName myapp.localhost.com DocumentRoot "/home/user/projects/myapp/public" <Directory ...
0
votes
1answer
65 views

Does Ubuntu come with a firewall? [duplicate]

I'm new to ubuntu, does it come with a firewall installed or will I have to install one, if so which one is best.
0
votes
0answers
135 views

Firewall is blocking NSF requests from/to random UDP ports

I really hope someone can stop me from pulling my hair out! Normally, I can find the answer t what I'm after with a few simple searches, but I have worked on this off and on for weeks now and am ...
1
vote
0answers
19 views

Firewal for Ubuntu 14.04.1 [duplicate]

Is there a firewall for Ubuntu 14.04.1 that asks for every program that wants to enter or exit?
1
vote
1answer
718 views

Can't connect to PPTP VPN with ufw enabled on Ubuntu 14.04 with kernel 3.18

Suddenly VPN disconnected and can't reconnect no longer on kernel 3.18.1, so I try to install kernel 3.18.2 but my problem still exist. But I can connect to VPN with 3.14 kernel easily. The output of ...
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votes
0answers
124 views

NFS+ufw+Autofs not working

Setup: Client server running Ubuntu 14.04 connecting to another Ubuntu Server 14.04 on NFSv4 on a local LAN. I have the firewall turned on, with routing rules to allow 192.168.42.0/24 (from/to any). ...
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votes
0answers
24 views

No default-config with latest version of Shorewall

I'm following the guide here to setup a mail server. The first step is to configure a Shorewall firewall, which includes this step: sudo cp /usr/share/doc/shorewall/default-config/interfaces ...
0
votes
2answers
2k views

xbmc / kodi what ports to open on firewall so I can see files via upnp

I'm running xbmc / kodi 14.0 on my ubuntu 14.04 machine and I'm trying to view / watch my files located on my Kodi ubuntu machine from my nexus 7 tablet. I'm using bubbleupnp onmy tablet which can ...
0
votes
2answers
146 views

OpenVPN: Allow access only for local connections (via OpenVPN)

I was recently assigned a task to do set up a secure development environment. I am thinking of doing the following: Use OpenVPN to connect to the server. Use firewall rules to block all incoming ...