Changelog for Mimic

0.5.0 (2024-08-05)

Track TCP window size and send window change packets to prevent conntrack failure
(distro packages) Tries to extract vmlinux from boot image if vmlinux is not available in module build directory
Add passive mode, i.e. "do not initiate handshake", enabled by setting handshake interval to 0

0.4.2 (2024-05-24)

Fix systemd service file, adding missing [Install] section
Fix version display in Mimic CLI

0.4.1 (2024-05-24)

Fix configuration file parsing
Make trace output more visible on certain terminals

0.4.0 (2024-05-24)

Variable congestion window to better mimic real TCP
Notify supervisor when Mimic is ready (currently only systemd)
Drop json-c dependency, lock file now uses key=value pair
Add handshake and keepalive mechanism, as well as its settings, both global and filter-specific
Add mimic(1) manpage
Better logging UX, including full TCP traffic trace

0.3.1 (2024-04-21)

Ubuntu: prebuilt distribution switched from 23.10 (mantic) to 24.04 LTS (noble)
Add null checks in pktbuf.c to prevent edge-case segfaults
Reduce error message on failing to send buffered packets
Fix compiler warnings

0.3.0 (2024-04-07)

Proper TCP handshake by actively sending packets using raw socket (see README#Caveats for more information)
Only calculate checksum deltas on ingress path
Correctly build and install DKMS kernel modules on Debian and Ubuntu

0.2.1 (2024-03-19)

Packaging fixes & documentation

0.2.0 (2024-03-18)

Added lock files for each interface
Added mimic show, allowing viewing information of a running Mimic instance
Better logging UX
Added reading configuration from file
Systemd service
...and more internal changes

0.1.1 (2024-03-02)

Fix open with O_CREAT in second argument needs 3 arguments
debian: split into mimic and mimic-dkms
debian: fix Ubuntu build

0.1.0 (2024-02-29)

Initial release