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Published on 2008-12-12T05:07:50Z
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2010/03/20
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I wanted to know why UDP is used in RTP rather than TCP ?. Major VoIP Tools used only UDP as i hacked some of the VoIP OSS.
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does anyone have a good definition for what a binary protocol is? and what is a text protocol actually? how do these compare to each other in terms of bits sent on the wire?
here's what wikipedia says about binary protocols:
A binary protocol is a protocol which is intended or expected to be read…
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I recently began trying my hand at using protocols in my Objective-C development as an (obvious) means of delegating tasks more appropriately among my classes. I completely understand the basic notion of protocols and how they work. However, I came across a roadblock when trying to create a custom…
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I am trying to understand the difference between these two computer networking terminologies. I searched over the internet but coudn't get a good idea. Could anybody please explain me or give a link to a page that explains this? Thank you...
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After watching the interview with Rich Hickey on Protocols in Clojure 1.2, and knowing very little about Clojure, I have some questions on Clojure Protocols:
Are they intended to do the same thing as Structural Types in Scala? What benefits do Protocols have over Structural Types (performance,…
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I have a website built in code igniter that emails users. I use CI's email class from the controller to do mail out, but I discovered that if I use the "mail" protocol, some (not all) users see un-rendered html emails with the html mark up viewable, while others do not. But if I use the "sendmail"…
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I have a Linux router (Debian 6.x) where i forward some ports to internal services.
Some tcp ports (like 80, 22...) are OK.
I have one Application listening on port 54277udp.
No return is coming from this app, i only get Data on this port.
Router:
cat /proc/sys/net/ipv4/conf/all/rp_filter = 1
cat…
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(Why can/How are) blocked IPs (get/getting) through my iptables?
Hello and thanks for your consideration...
I have configured iptables and included (below) output from the command "iptables --line-numbers -n -L" yet IP addresses (like 31.41.219.180) from IP blocks I have already blocked are getting…
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I just installed an ubuntu precise server,
after a few weird communications issues I checked the iptables list and found:
Chain INPUT (policy DROP)
target prot opt source destination
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere…
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ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
is this means allow all ip from all port?
but I still can not visit the server except I go through the allowed ip address
and if I put this line in any line, did I make this server totally open for any connection?
the full iptable list is below
Chain…
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I need to send floating point numbers using UDP connection to a QT application. Now in QT the only function available is
qint64 readDatagram ( char * data, qint64 maxSize, QHostAddress * address = 0, quint16 * port = 0 )
which accepts data in the form of signed character buffer. I can convert…
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