All Questions
Tagged with networking iptables
960
questions
4
votes
1
answer
2k
views
Seting up IPTables to forward multiple GoPro cameras
I have an interesting problem that involves multiple GoPro cameras. Basically, I need to have the ability to communicate with multiple GoPro cameras via a single network. The challenge is that the ...
- 143
5
votes
3
answers
25k
views
Source Based Policy Routing & NAT (DNAT/SNAT) aka Multi WANs on CentOS 5
Originally posted at Unix and Linux but nobody was able to answer it, so m migrating the question here:
My question is regarding Source Based Policy Routing on CentOS 5 with 2 WANs plus a LAN (NAT) ...
- 111
1
vote
2
answers
394
views
DNS set correctly but website unreachable
I have the (sub)domain elo.bernardinuscollege.nl, which has a DNS A record that points to 54.225.118.87, which is correct (checked it with telnet, which indeed returns the right IP). For some reason ...
- 113
1
vote
3
answers
936
views
Setting up two ADSL lines for home/business use
As a follow-up to this question which is still unresolved. I have two ADSL routers with different providers connected to different phone lines to the internet. As shown in the diagram. These routers ...
- 1,285
0
votes
1
answer
1k
views
Unable to ping my VirtualBox VM
I've installed a VirtualBox VM from http://virtualboximages.com/CentOS+6.4+x86_64+LAMP+Server+VirualBox+VDI+Virtual+Computer.
My VM has access to internet, and I can ping the host.
I've set a static ...
- 103
5
votes
1
answer
12k
views
Redirect incoming https to local ip with iptables
I have a router with 1 network interface (eth0, public ip) and an alias for eth0:0, local ip 192.168.1.1.
I want to redirect all incoming https (443) traffic to another server. I tried it with
...
- 83
1
vote
1
answer
2k
views
Multiple IP addresses through the same interface and iptables
System Admin is not my strong point. My situation is we have 1 website that has 4 domains. The website itself serves different templates/content depending on which domain is used, simulating 4 ...
- 141
1
vote
1
answer
3k
views
iptables MASQUERADE and SNAT together
Good people,
I have a network having the following setup
eth0 10.216.11.41 internet facing
eth1 192.168.0.4 internal network interacting with other machines within the internal network.
Id like ...
- 111
1
vote
1
answer
1k
views
IPTABLES to block sites on browser
I am trying to block a specific IP address from being accessed using the browser on my system. I added a simple rule as below
iptables -A OUTPUT -d <IP> -j DROP
The site gets blocked in the ...
- 161
1
vote
0
answers
427
views
NAT routing command in windows
Is there any specific command in windows which do the following task:
I want to modify the source IP address in the packet whose Destination IP is not in the private LAN, i.e.,
I have a virtual ...
- 111
1
vote
1
answer
892
views
ICMP firewall policy for standard ubuntu desktop
For a standard desktop computer running Ubuntu 12.04 behind a NAT router, what ICMP packets should one accept in the firewall, say iptables?
It seems there is often conflicting advice; some say block ...
- 379
0
votes
2
answers
695
views
DDWRT Port Forwarding Request from Dynamic IP
I'm running a DDWRT router with a NAS behind it. The NAS runs a service called Cloud Station. I'd like to restrict access to Cloud Station to a handful of hosts (family members). Each family member ...
- 121
3
votes
1
answer
22k
views
how to open ports for localhost on linux?
I've been reading for the past hour about opening ports on Ubuntu 12.04 and I can't seem to get anything to work. I'm running a program with an RPC server accepting local connections on localhost (127....
- 131
1
vote
0
answers
658
views
I need some help proof reading my IPtables rules, my rules seem to work but I cannot be sure
Like the title says, I need some help proof reading my iptable rules, my rules seem to work but I cannot be sure. My set up is as follows: ISP ---> cable modem ---> Ethernet switch ---> netbook/...
- 31
1
vote
1
answer
396
views
Valid Type Of Service Values
I need to know what are valid values for TOS field in iptables.
I mean when I try to add a rule with ip rule add what can I give as tos value
I could not find any resource about tos value. I know ...
- 527