If you want that
syslogd.zip file, the Internet Archive has it. Put that download link from the forum post into its address bar.
Sadly it is not the only thing that is no longer visible on or available from the Obihai sites. The demo UIs. The "connect an IP phone" tutorial. The forum sections for the OBion programs. I know those were no longer supported but the PC version still works OK for me - easy way to get an Obitalk trunk on Asterisk.