Please explain this TCP Retransmission Sequence - Wireshark
2018年7月19日 · This sequence below repeats over and over. It should just be a big message from .200 to .182 with a 1 byte response, and then a short message from .182 to .200 with a 1 byte response. Is every message in each direction really getting re-transmitted and are the TCP-Dup ACK and TCP-Keep Alive's a problem? Sorry for the formatting.
Does the PSH bit force client to ack - Ask Wireshark
2019年5月20日 · I have seen/read many times that the rule of TCP is ack every other packet, but occasionally in a capture I am looking at the sender will set the psh bit after sending only 1 packet, and the receiver will ack immediately (empty ack). What confuses me is the receiver will then immediately send another packet with data.
TCP same ack, different payload - Ask Wireshark
2024年6月4日 · I am receiving 2 following tcp packets: 9000 → 34967 [PSH, ACK] Seq=803864717 Ack=348117840 Win=28960 Len=28 TSval=863760043 TSecr=0 9000 → 34967 [ACK] Seq=803864717 Ack=348117840 Win=28960 Len=0 TSval=863760043 TSecr=0 Why does this happen? How can this not be considered a retransmission?
SYN followed by PSH ACK with incorrect ACK sequence number
2018年11月8日 · the initial SYN gets a PSH/ACK response; the ACK sequence number on the first response is random; From my understanding, the first response from the server should be a SYN/ACK with a sequence number of 1. I've never seen a SYN, PSH/ACK, ACK sequence (although, admittedly, my TCP knowledge is a bit rusty). So here come the questions:
Win7 Client not sending a PSH, ACK - Ask Wireshark
2019年12月23日 · SYN SYN,ACK ACK, PSH,ACK ACK <expecting a="" psh,ack=""> here - albeit not receiving one - hence causing test failure. We have removed firewall rules on both client and server machines and same symptoms persist. Client and server are on different subnets. Question: What might cause the client not respond with a PSH, ACK?
[PSH, ACK] after [FIN, ACK] - Wireshark
2022年10月27日 · Wireshark 4.0.1 complains about the order of [PSH, ACK] after [FIN, ACK] and also makes my mac send a duplicate ACK.
RST, ACK from Client. Is this normal - Wireshark
2018年3月26日 · Printer sending RST, ACK to computer continuously without pending job. RST packets sent by both client and server during file transfer. Why my server does not respond to client's [SYN]? client send rst and resend syn to server，server sequence isn’t parsed correctly. frame 1 [syn] -> frame 2 [rst, ack] on port 25 of remote server
rst,ack after some tcp retrasmissions on a tls comms
2020年6月3日 · Printer sending RST, ACK to computer continuously without pending job. RST, ACK from Client. Is this normal ? client send rst and resend syn to server，server sequence isn’t parsed correctly. frame 1 [syn] -> frame 2 [rst, ack] on port 25 of remote server. Failures during high load. Red RST, ACK Why? How to get TLSv1.2 to decode
If a packet is sent but not received, can the problem not be the ...
2021年2月1日 · Filtering by the sequence number, we see something like this: Client Time Length Info 10:09:41.496303 66 39126 -> 11211 [ACK] Seq=7040425, Ack=122270281 Win=182272 Len=0 10:09:41.497324 306 39126 -> 11211 [PSH, ACK] Seq=7040425, Ack=122270281 Win=182272 Len=240 10:09:41.697515 306 [TCP Retransmission] 39111 -> 11211 [PSH, ACK] Seq=7040425 Ack ...
Repetitive issue: TCP Previous Segment was not captured
2024年7月8日 · While i understand there might be some packet loss, resulting in message "TCP Previous Segment was not captured" , but why does it keep repeating in similar fashion across my whole packet capture. Why no SYN or SYN ACK or ACK is ever lost? Also if i capture on source side firewall , or destination side firewall, this message remains constant.