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northerner
northerner
4:56 AM
Some sources say there are 6 control flags in TCP, where others say 9. Which one is it? Is 6 just wrong?
Here is one source that claims 6 firewall.cx/networking-topics/protocols/tcp/…
Some don't include the flags NS, CWR and ECE. Why is this?
 
 
7 hours later…
Hennes
Hennes
11:50 AM
Looking at the RFC I see 6 flags
TCP Header Format
<code>

0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Source Port | Destination Port |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Sequence Number |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Acknowledgment Number |
though that is old style TCP4
 
 
3 hours later…
XKCD
XKCD
2:34 PM
 
 
2 hours later…
CowperKettle
CowperKettle
4:16 PM
I wonder if there is a way to download this image in a single file in good resolution: ncbi.nlm.nih.gov/core/lw/2.0/html/tileshop_pmc/…
I'm trying but only getting chunks of it.
 
CaldeiraG
CaldeiraG
oh, we had a user (I think on this chat too) with the same issue
i don't know what fixed it though
 
CowperKettle
CowperKettle
Maybe that was me
But I've forgotten how to fix it ))
 
Canadian Luke
Canadian Luke
5:20 PM
@bertieb That sounds like an experiment for my Windows 3.11 VM with Netscape Navigator 4... Stand by!
 
bertieb
bertieb
5:33 PM
@CanadianLuke Let me know the results! Contact details are on my gopher site
 
Canadian Luke
Canadian Luke
Will do
 

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