All Questions
13
questions with no upvoted or accepted answers
1
vote
0
answers
123
views
Why is TCP connection on Windows machines, retransmitting after receiving a correct ACK from HTTP server
Using two different Windows laptops, one with Win 7 and the other Win 11, I'm trying to connect to the HTTP GUI of a device (cell phone booster) that's connected directly to my laptop through an ...
- 139
1
vote
0
answers
91
views
Strange response from a HTTP server
I noticed an unfamiliar device when scanning my local wireless network. It had two open (listening?) TCP ports; TCP/80 (http?) & TCP/443 (https?).
In an effort to identify the unfamiliar device;...
- 2,751
1
vote
1
answer
428
views
HTTP performance over high latency links
I have users that previously used FTP for file transfers across high latency paths to their local server. They have switched to HTTP for these transfers (not by choice) and file transfer perforamance ...
- 11
0
votes
0
answers
30
views
File service latency is high, How to troubleshoot?
This service is a file upload service and the request packet capture in the live network is as follows:
The data uploaded by the client is halfway through, and then it will not be sent
The server ...
- 1
0
votes
0
answers
2k
views
TCP Retransmission (TCP Port numbers reused) issues
I developed a web server and this is running on GKE.
Whenever I send any request to this server from my local pc, it occurs TCP retransmission.
Following is captured packets with Wireshark. The red ...
- 111
0
votes
1
answer
758
views
Connecting to a home server on a cellular hotspot
I am seeking advice on a networking issue I have run into recently. I suspect that I a making an obvious mistake in my assumptions about connections between machines on separate networks.
My goal is ...
0
votes
0
answers
363
views
How to show a HTTP stream from VLC Player in Wireshark?
I just set up a HTTP stream of a video between my Server and Client system using the VLC media player (using the command line). Both the systems run Ubuntu 20.04
vlc -vvv <path to video file> --...
- 1
0
votes
0
answers
146
views
Chunked HTTP response does not come through completely
Consider the following setup
+-------+ +--------+ +----------+
| | | | | |
| +----------->+ +---------->+ ...
0
votes
0
answers
170
views
How default Web Page is loaded with just TCP connection and no HTTP transaction?
Below is the packet capture from WireShark when a web request is made to the Google Server
172.217.26.228 is the IP address of the Google Server.
Filter that I am using is
(ip.dst == 172.217.26....
- 659
0
votes
1
answer
49
views
"Follow TCP stream" inserts extra line breaks and strings like "2000" "a7c" "0" (chunking?), how to hide that?
I often use "Follow TCP stream", very convenient to see the whole client/server conversation.
PROBLEM: Some strange characters (that are not in the real packets) are shown. Maybe due to HTTP chunking?...
- 11.2k
0
votes
0
answers
981
views
How to block HTTP 302 redirection package by matching a specific string on Location?
The HTTP response I want to block has:
Header
HTTP/1.1 302 Found
Location: http://www.yxjiaodai.com/ad/?id=1023&url=http%3A//a1819.oadz.com/link/C/1819/3081547/dtMdon4l79FwsIo2JXEHqtdp5eQ_/p007/...
- 193
0
votes
0
answers
405
views
Windows 7 cannot connect to network shares, Exchange server, Webmail... anything requiring authentication
I have been handed this Asus Ultrabook that had Outlook 2010 that was not connecting to our Exchange server. It used to when in a different office.
On our office network, it can't. I have 36 other ...
- 333
-1
votes
1
answer
71
views
Wireshark - what happened?
This Wireshark issue has been driving my crazy for a few hours. What's happening here?
192.168.2.100 is an Apache server that is serving a static file.
192.168.2.196 is an embedded client ...
