All Questions
28
questions
1
vote
0
answers
636
views
Advanced QoS on prioritized first packages set by ISP
I have the following problem my ISP (Fibertel from Argentina) accelerates, 'enhances' the first 6.8 megabytes of downstream transfer and it's seems the first 1.8 megabytes of upstream transfer.
This ...
- 133
1
vote
1
answer
998
views
iptables: changing destination for specific network host
honestly I don't know much about iptables but I'm facing this issue and I'm committed to solve it with iptables
The thing is that I want to change the destination ip for another just to one specific ...
- 113
0
votes
1
answer
105
views
Preventing connections to specific host on LAN
I have a NAS running a web app on port 8081, with IP 192.168.0.2, and a reverse proxy server (separate machine) with IP 192.168.0.3. In order to access the web app (which I wouldn't want to expose to ...
- 1,041
0
votes
1
answer
6k
views
Prevent device from reaching WAN traffic (MAC address for example) - OpenWRT
I want to forbid a device on my network from accessing the internet.
Computers still have to communicate with the device, and vice versa.
OpenWRT version: OpenWrt Attitude Adjustment 12.09
- 16.2k
0
votes
2
answers
159
views
Server substitution. Emulating internet server
I have two networks sequent networks both hidden under own NAT 192.168.31.0/24 -> 192.168.33.0/24 -> Internet
I have a TCP server on 192.168.33.35 and a client on 192.168.31.32
A client does a TCP ...
0
votes
1
answer
235
views
Can I encapsulate or alter UDP length?
While packet capturing on a game server I noticed my connection is sending a constant stream of UDP packets all of which roughly 64 bytes in length. How can I merge these packets to send a stream of ...
- 53
0
votes
1
answer
1k
views
OpenVPN and IPTABLES - How to assign lan (vpn) gateway to clients
I am trying to set up my openvpn network but I have a problem.
My LAN configuration is as follows:
main router Zyxel 192.168.1.1 acting as gateway (vdsl connection) and access point;
openwrt router ...
0
votes
1
answer
352
views
Captive portal (nodogsplash) stops working if iptables - hashlimit rules entered (OpenWRT)
I have setup a hotspot device with openwrt. It has nodogsplash installed for hotspot functions and iptables for limit bandwith. When i was testing speed limit script, hotspot was disabled for testing ...
0
votes
0
answers
121
views
iptables can't match https traffic
I got a WiFi router(xiaomi HD) with customized openwrt OS and I added some iptables rules trying to count https traffic, but it seems the rule can't match https traffic.
Here are the rules(on router)...
0
votes
2
answers
202
views
Linux IP tables on Open-WRT: forwarding vs stateful packet filtering
I followed the Unix and Linux System Administration Handbook, 5th edition's complete example for iptables. The stateful packet filtering has allowed me to print remotely on my MakerBot, but I could ...
0
votes
0
answers
1k
views
iptables PREROUTING and POSTROUTING doesn't seem to forward any packets (OpenWRT)
I am trying to mirror all packets sent or received by Device B and send them to Device A for logging. I have an OpenWRT acting as a wireless access point, and I have issued the following commands to ...
- 101
0
votes
0
answers
600
views
IPTables scenario explanation (How does my log rules are being hit?)
I have the iptables rules bellow from my OpenWRT router, I can not understand the scenario, in which my two logging rules are being hit (inside zone_wan_dest_REJECT and zone_wan_src_REJECT), because -...
- 1,325
0
votes
1
answer
921
views
ddwrt to openwrt; blocking a host name or domain based on mac address
I'm a recent convert from ddwrt to openwrt. On ddwrt, I could use the lines below to block the amz address for my firetv. I tried doing this on openwrt, but I can still access the address.
insmod ...
- 109