A Firewall is an application or hardware device used to inspect and filter network traffic.
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votes
1answer
21 views
Cisco IOS Router and Azure VPN - tunnel established, but traffic is not flowing
I am trying to connect a Cisco IOS router to Azure via the IPSec VPN. I have used the Cisco ISR template to establish a tunnel from my router to Azure. In the Azure control panel, I can see that the ...
0
votes
1answer
19 views
Multiple webservers behind firewall done correctly?
Basiclly I have a firewall and behind it i have a webserver which is a webportal for clients, a second webserver that hosts their webpages
and a DNS server
I want to route the traffic through that ...
-2
votes
0answers
19 views
How to use RDP or direct proxy [closed]
I apologize in advance, I am not sure how to even phrase the question. Basically, I spend a good deal of time in a library, but there is a very restrictive firewall in place. However, I can use RDP ...
0
votes
1answer
34 views
Can't connect to my own machine through public IP
I couldn't figure out why I can't make a connection through my public IP. When using a local IP it works.
I have the proper firewall port exceptions, and my router NAT has the configurations for port ...
-1
votes
0answers
33 views
Small company AD, VPN, web server setup [closed]
I've recently inherited a small network to administer as a my secondary responsibility, and have a number of items to take care of in the next little while. I've spent a few days reading, and do have ...
-1
votes
0answers
17 views
Disable http https traffic from csf [closed]
I want to know how to block traffic from http and https services
i don't want to close port 80 , i want to know how to drop all traffic only from http and https services
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votes
1answer
29 views
How to redirect a packet to localhost in pf?
I am trying to redirect packets that are going to internal network to localhost of firewall.
I wrote this rule but it doesn't work.
int_net = "{10.0.0.0/24}"
ext_if = "{igb0}"
int_if = "{igb1}"
rdr ...
0
votes
0answers
20 views
Is there a way to diagnose *where* comms to a port on a windows machine is being blocked?
I am developing a system that comprises an email server.
I have so far been unable to connect on port 25 (using telnet), despite having checked the following are set up correctly. Connections to port ...
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0answers
27 views
--utc option is not working in iptables
I am using iptables v1.4.7/8.
I used the following command
iptables -A INPUT -s 10.0.4.247 -m time --utc --datestart 2013-5-23T7 --datestop 2013-5-23T9 -j DROP
my utc time
date -u
Thu May 23 ...
0
votes
1answer
40 views
Is using iptables to rate limit on port 80 considered wasteful?
I was thinking of adding the following rule to my IP tables:
-A INPUT -p tcp -m state --state NEW -m recent --update --dport 80 --seconds 5 --hitcount 10 -j DROP
-A INPUT -p tcp -m state --state NEW ...
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votes
1answer
13 views
Unified Threat Management
This might be a simple question:
On what layers of the OSI model does Unified Threat Management work?
And what devices do you recommend for using this?
Thanks,
Dempsey
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votes
1answer
33 views
Any issues with multiple services on the same server as the firewall? [closed]
I am wondering if anyone has any input in regards to having one server as your firewall, backup server, email server, etc. I am trying to keep costs down and would like to know if there are any ...
0
votes
0answers
22 views
Forwarding all outbound http traffic to a proxy on a Linux machine
I want to:
Forward all the outbound http traffic on my CentOS machine to a proxy on host a.b.c.d 8080
Except for foo.com and bar.com
what are seamless ways to do this.
Notes:
I cannot modify ...
3
votes
6answers
300 views
+100
Force clients to use proxy
Here's my network configuration:
The proxy server is running Ubuntu with Squid on port 3128 and DansGuardian on port 8080.
I'd like to force all clients to use the proxy server - specifically, ...
0
votes
1answer
26 views
How to route the traffic from a specific port through a socks 5 server?
I'm running oracle sql on port 1521. However I can connect on it from a remote server only through a socks5 proxy(due firewall restriction). The client that I use to connect to the sql server doesn't ...
