Collaborate Disseminate
I have UDP packets sent from a sensor device to a PC running Windows 10. The UDP traffic can be monitored using Wireshark. But only after completely disabling the Windows firewall the UDP packets are picked up by the monitoring software.
O… Continue reading Windows 10 firewall settings to receive UDP [migrated]
I’m currently getting this notification from SEP around twice a month saying "Traffic has been blocked from this application: (svchost.exe)"
Logs:
1/3/2023 12:32 Blocked Major Incoming UDP … -C9-3D— 57986 239.255.255.250 01-0… Continue reading Symantec Endpoint Protection "Traffic has been blocked from this application: (svchost.exe)"
I have a pattern that goes like this:
Starts with |00|, is followed by a variable number of ASCII characters in uppercase that can have at most length 22, followed by 12 |00| bytes, followed by 6 random bytes, followed by an md5 hash, foll… Continue reading Can I use pcres in Suricata for UDP traffic?
The situation currently is as follows:
All our devices in the same network broadcast their state (alongside with unique IDs) over the network. They also listen in for broadcasts of others. Everything is plaintext.
All the devices have a c… Continue reading How to encrypt peer data exchange?
[Neumi] over on Hackaday.IO wanted a simple-to-use way to drive stepper motors, which could be quickly deployed in a wide variety of applications yet to be determined. The solution is …read more Continue reading Ethersweep: An Easy-To-Deploy Ethernet Connected Stepper Controller
A few days ago we covered a project that brought Ethernet connectivity to the Raspberry Pi Pico using little more than some twisted pair and a RJ-45 connector. It was …read more Continue reading An Elegant Ethernet Library For Your Next RP2040 Project
Whilst the Raspberry Pi RP2040 is quite a capable little chip, on the whole it’s nothing really special compared to the big brand offerings. But, the PIO peripheral is a …read more Continue reading Bit-Banged Ethernet On The Raspberry Pi Pico
Reading: https://mulloverthing.com/how-does-ssl-protect-against-replay-attack/ it says:
The SSL/TLS channel itself is protected against replay attacks using
the MAC (Message Authentication Code), computed using the MAC secret
and the sequ… Continue reading How SSL Protects against Replay Attacks?
How to protect my server? Intruder of attack changing sender address in packet like a: https://github.com/isdrupter/busybotnet/blob/43f9e3a437f6c2f9e0a5308b4b48a78f839e18d4/miscutils/udpspoof.c#L59
My VPS does not filter these datagrams. I… Continue reading Spoofed UDP header [closed]
When I read the docs on nmap.org about UDP support for IPV6 on nmap site I notice that "UDP is not supported". I know that the syntax is there, but when I run a scan against a target that is configured to send ICMP unreachables I… Continue reading Is NMAP UDP scanning for IPV6 fully supported and mature?