Questions tagged [protocol]
138 questions
158
votes
2 answers
Why is X11 forwarding so inefficient?
Whenever I remotely launch large GUIs with X11 forwarding, even including the -C switch, the experience is very unresponsive. My question is, what does, at the concept/protocol level cause this?
With my 25mbit connection, I can stream HD video to my…
user129186
- 1,621
98
votes
8 answers
How do I configure custom URL handlers on OS X?
I've been reading a lot online about custom URL handlers / custom protocol handlers such as:
Launching External Applications using Custom Protocols under OSX
OS X URL handler to open links to local files
I get that you can tell the system that a…
cwd
- 18,788
- 43
- 123
- 162
55
votes
6 answers
Enable TLS 1.1 and 1.2 for Clients on Java 7
Java 7 disables TLS 1.1 and 1.2 for clients. From Java Cryptography Architecture
Oracle Providers Documentation:
Although SunJSSE in the Java SE 7 release supports TLS 1.1 and TLS
1.2, neither version is enabled by default for client connections.…
jww
- 12,722
26
votes
4 answers
Is the order of e-mail recipients guaranteed to be constant?
When sending an e-mail, is there anything in the sending/receiving protocols that guarantees, or is supposed to guarantee, that anyone receiving the e-mail will see the lists of recipients in the To and Cc fields in the same order as how the sender…
25
votes
1 answer
Why aren't messaging apps created like email and sms, where you can send messages between multiple service providers?
I can send emails from GMail to YahooMail or to ProtonMail etc. I can send SMS'es to any mobile number irrespective of whether the number is owned by Vodafone or any other telecom providers.
However, I can't send instant messages between WhatsApp…
Nav
- 1,089
22
votes
7 answers
Does the meaning of the term WWW mean it has to be performed by HTTP servers- by definition?
The following is a question regarding correct terminology.
Could the World Wide Web exist without HTTP?
Is there any other application layer protocol that can serve WWW pages?
Is HTTP an essential part of the web by definition?
P.S. the answer has…
SerG
- 451
19
votes
1 answer
What protocols does a typical home router use when talking to ISP?
My home router connects to the ISP via coax cable (Verizon FIOS or Comcast Xfinity, here in the US). Fitting into the OSI 7 layer model, what layer 1 (coax?) and layer 2(still Ethernet?) protocol does it use to talk to the ISP?
QnA
- 491
18
votes
4 answers
Can Notepad++ be made to open file links in itself?
In Settings/Preferences, Notepad++ has an option on the MISC. tab under 'Clickable Link Settings' to the right, to Enable to open links found in the edited files. It underlines them and opens them on double-click. I've tried it with the file:///…
n611x007
- 6,566
- 15
- 67
- 91
18
votes
2 answers
Does https encrypt URLs, too?
This is fairly easy.
If I go to https://webserver.com/someurl?a=b, will the someurl?a=b part be protected, or just the contents of the site?
Karel Bílek
- 1,562
14
votes
1 answer
What protocol does TeamViewer use?
I was just teaching someone a little about SSH & VNC. I said I'd show him some things with TeamViewer. Then he asked me "Soo.. is this a VNC client?
And I wasn't sure.
What protocol does TeamViewer use? It's obviously similar to VNC & RDP and so…
voices
- 2,881
14
votes
8 answers
How do I know if a remote machine is using Windows or Linux?
Is there some way to run a command (such as ICMP message or another protocol), get a response from a remote machine (not on my own private local network) and analyze the message to find some evidence that this machine is running a Windows or a Linux…
Diogo
- 30,792
12
votes
3 answers
What is Allow multicast from Broadband Network?
If a wireless modem router has the option Allow multicast from Broadband Network, what does this mean exactly?
What risks are there to leaving it enabled and why would you have it enabled?
I understand that a broadcast is sending a packet to every…
PeanutsMonkey
- 9,380
11
votes
1 answer
Register custom URI scheme handler in Windows 10
In W7 and W8 I can execute an arbitrary executable from html just by registering handler in the registry as described https://msdn.microsoft.com/pl-pl/library/aa767914.aspx#app_reg
Similarly as mailto:someone@abc.com works.
The registration of…
matcheek
- 207
10
votes
1 answer
how to test ntp servers as real servers that responding without using ping test
we have bash script that configured the chrony.conf
script check if ping is ok on ntp1 and ntp2 ( ntp servers )
and then script insert the ntp servers to /etc/chrony.conf ( only if ping success )
example from bash script:
ping -c 1 ntp1
if [[ $?…
King David
- 1,001
10
votes
1 answer
What is "Priority" and "Resource" in XMPP?
I don´t know if those are the names in english, but it spanish is "Prioridad" and "Recurso". I see this when I want to configure an XMPP client. In "Priority" I see that I have to put a number, and I suppose (I´m not sure) that depending on the…
Megver83
- 277