All Questions
17 questions
0
votes
0
answers
60
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How to protect a docker container with tcp wrappers, xinetd or something like that?
I have a Dicom medical docker container, on a bridged network, that receives tcp connections (not web/http/https) from other Dicom enabled devices, such as MRI scanners. It is an old DCMTK binary ...
- 164
0
votes
1
answer
276
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why is proxied TCP traffic much faster than routed/VPNed TCP traffic
I have a VPS which can download a file from Server X at 2gbps.
I have a home internet connection which can download a file from the VPS at 1gbps, but from Server X at only 100mbps.
If I use a SOCKS ...
- 1
0
votes
1
answer
402
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Simple TCP Proxy for Amazon Linux 2
I'm looking for a simple TCP proxy that I can install and run on Amazon Linux 2. I've been using simpleproxy on Ubuntu and it does exactly what I need, but I can't seem to find an equivalent for ...
- 131
0
votes
0
answers
907
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Low-level tcp/udp proxy
Is it possible to set up a server which acts as a proxy that is able to delegate all incoming traffic (regardless of protocol) to the original destination?
What I am trying to do is to allow only a ...
- 197
1
vote
0
answers
267
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Tunnelling TCP to database (ms-Sql) through corporate proxy
What I know.
I have a ms sql in Internet, let say hostDB:1433
I have a corporate proxy ipProxy:8080
/bin/nc -z -v -w 1 -x ipProxy:8080 -X connect hostDB 1433
Connection to hostDB 1433 port [tcp/ms-...
- 131
1
vote
1
answer
6k
views
How to set a local proxy for redirecting traffic to remote proxies?
I use proxies (with authentication) in various applications (not system proxy). Thus, I have to update all proxy settings when the proxies or the credentials are changed.
I wish to set a fixed local ...
- 1,959
0
votes
1
answer
5k
views
Install TCP Proxy Server on Localhost in Linux
I Want
I write a simple "TCP proxy server": it listens for TCP pockets on localhost, looks up packet IP destination, reads from it and sends reply.
No I want to install it into my Linux system so ...
- 143
1
vote
1
answer
1k
views
Is there any way to encapsulate RTP/RTSP/RTCP into one TCP connection?
Here is my setup :
I have 2 blackbox communicating with each other using some sort of radio.
Both blackbox can send/receive at the same time.
I can send/receive data to each of these blackbox using ...
- 113
1
vote
0
answers
80
views
tracking proxied TCP connection
I'm a unix admin at a college. I've two web servers. One of them is for faculty and one of them is for the official college web team. The offical web server proxies requests for faculty web pages, ...
- 240
1
vote
0
answers
2k
views
Issues with nmap scan using ssh socks proxy with proxychains
I have a socks proxy made available to a remote computer, using ssh:
ssh -D 127.0.0.1:9999 remoteuser@remotemachine
I've adjusted the /etc/proxychains.conf:
quiet_mode
socks4 127.0.0.1 9999
After a ...
- 215
2
votes
0
answers
1k
views
Why would all our CLOSE_WAIT connections have 24 bytes in the receive queue?
We have an Apache reverse proxy that is having connectivity issues with the back-end. This results in timeout errors such as this:
[Thu Apr 21 12:12:26.031207 2016] [proxy_http:error] [pid 64620:tid ...
- 9,817
1
vote
0
answers
383
views
How to download a video from rtmp protocol from behind proxy using rtmpdump
I am trying to download video from rtmp://flash.dce.harvard.edu/bounce/mp4:2015/01/14328/L01/14328-20140902-L01-4-h264-av1248-16x9-852x480.mp4. My college internet runs behing proxy, Is there a way I ...
- 111
6
votes
0
answers
1k
views
Using socat to Tunnel/Proxy TCP want to split send/receive into separate files
I'm using socat to dump plain TCP (e.g. HTTP) traffic:
socat -v tcp-listen:$PORT,reuseaddr,fork,keepalive tcp:$TARGET_HOST:$TARGET_PORT
At the moment all send and receive traffic is dumped into ...
- 161
1
vote
1
answer
318
views
Unexpected netstat output in DNAT conditions
So, here I have a basic setup with SOCKS5 proxy listening on, oh, say 8123
I redirect TCP to the proxy via iptables
From iptables perspective everything looks peachy,
iptables -t nat -v -L shows
...
2
votes
1
answer
1k
views
Transparent proxying of TCP connections on port (mostly, without root access)
I have the Client machine living somewhere on the Internet, and it needs to access a custom port of Target machine (or, initially any port on any reachable machine, but, eventually, particular port, ...
- 123