3
votes
1answer
29 views

Which network services depend on the “accept related input” iptables rule?

Background I am setting up a firewall for a webserver and was wondering if it would be a good security meassure to even reject RELATED input traffic and only except established connections by ...
0
votes
0answers
32 views

Application becomes non-responsive to requests on Raspberry Pi

I have written a Python application (using Flask, if it matters) that serves a simple website that I can use to start playback of streaming video on my Raspberry Pi (microcomputer). Essentially, the ...
0
votes
3answers
215 views

Telnet on Linux Server

I want to know if it is necessary to have telnet enabled on both sides of machines to get telnet connection. Here's the issue: I am trying to telnet some public IP on port 80 from a Linux web server ...
0
votes
2answers
160 views

Unable to telnet public ip on port 80

We are facing a communication problem between the public and our private network. We have a Linux based web server behind a firewall and an internet router. As part of some integration, our web portal ...
1
vote
1answer
38 views

Network issue - only one machine can't access webpage on another machine

I'm trying to figure out why my MacBook is unable to reach the web page served by my Raspberry Pi while other computers on my local network (or on external networks) have no problems seeing the web ...
5
votes
2answers
603 views

Real-World Use of TCP_DEFER_ACCEPT?

I was perusing the Apache httpd manual online and came across a directive for enabling this. Found a description in the man page for tcp: TCP_DEFER_ACCEPT (since Linux 2.4) Allow a ...
3
votes
1answer
215 views

Apache Request Hangs For 2 Minutes Exactly

I am experiencing some odd behavior with apache. I have requests that are hanging for exactly two minutes. The request could be one file one time, and then a completely different file another time. ...
0
votes
1answer
134 views

IP Address inaccesible

My Linux machine is inaccessible by the IP address, as in only http://127.0.0.1:8080/projectname or localhost works on the browser, but http://10.1.5.5:8080/projectname doess not (here ...
2
votes
1answer
503 views

redirect web server with no-ip and port forwarding in livebox

I want my Apache web server running on a Livebox (home router appliance running Linux) to be accessible from the Internet (WAN). I installed and configured the application noip2 on my Ubuntu PC. ...
3
votes
1answer
383 views

Simplest way to set up multiple subdomains to separate VMs running on single host

Problem: I´m planning to set up several virtualized centos, rhel or ubuntu guest machines on a single centos host server (most likely using KVM). Each guest VM is running an instance of a webapp + ...
4
votes
3answers
982 views

How can I secure an OpenBSD-based Apache webserver?

I have an OpenBSD server that has a running webserver (the built-in apache web srv). How can I harden this setup? I want to only server static html files, no php, no sql.
4
votes
2answers
8k views

What can I use to monitor and log incoming/outgoing traffic to/from remote hosts?

I run a web server (Debian Squeeze on a VPS), and the graphs provided by the hosting company show consistently that around twice as much traffic is incoming to the server compared to the outgoing ...
1
vote
1answer
154 views

How to “set” this home network mesh up

I don't know much about networking security other than keeping unused ports closed is good. This is what I'm trying to accomplish: I need to be able to keep my server (the dotted line) with limited ...