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Support #1985

open

firewall on client

Added by peter about 10 years ago. Updated about 10 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
Start date:
11/12/2014
Due date:
% Done:

0%

Estimated time:

Description

Hi,

After enabling a firewall on the client (blocking incoming connections), streamdev doesn't work any more.

What rules should I add to the firewall please?

Thanks in advance for any help, Peter

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 #1

Updated by schmirl about 10 years ago

  • Status changed from New to Resolved

Hi Peter,

I assume you are talking about a streamdev-client with VDR-to-VDR streaming (i.e. using VTP protocol, not HTTP or IGMP streaming). Unfortunately VTP is not firewall friendly as the client opens a random port and tells the server to send the stream to this port. There are three possible solutions, however 2 and 3 require coding:

1. open all inbound TCP ports above 1024 for the IP of your server.
2. patch the client so choose a port from a specific range and open just that range for the IP of your server
3. as VTP is quite similar to FTP: adapt the linux kernel's ftp conntrack helper to VTP

Regards, Frank

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