ab-access.log selection for OS X 10.6 and OS X 10.7 Address book Carddav initial communications with server:

From 10.7 system:

[root@sogo httpd]# grep 128.196.45.230 ab-access.log
128.196.45.230 - - [18/Aug/2011:09:18:39 -0700] "PROPFIND /.well-known/carddav HTTP/1.1" 404 43 "-" "AddressBook/6.0 (1043) CardDAVPlugin/182 CFNetwork/520.0.13 Mac_OS_X/10.7.1 (11B26)"
128.196.45.230 - - [18/Aug/2011:09:18:39 -0700] "PROPFIND / HTTP/1.1" 401 - "-" "AddressBook/6.0 (1043) CardDAVPlugin/182 CFNetwork/520.0.13 Mac_OS_X/10.7.1 (11B26)"
128.196.45.230 - - [18/Aug/2011:09:18:39 -0700] "PROPFIND / HTTP/1.1" 207 478 "-" "AddressBook/6.0 (1043) CardDAVPlugin/182 CFNetwork/520.0.13 Mac_OS_X/10.7.1 (11B26)"
128.196.45.230 - - [18/Aug/2011:09:18:39 -0700] "OPTIONS / HTTP/1.1" 200 - "-" "AddressBook/6.0 (1043) CardDAVPlugin/182 CFNetwork/520.0.13 Mac_OS_X/10.7.1 (11B26)"
128.196.45.230 - - [18/Aug/2011:09:18:39 -0700] "PROPFIND /SOGo/dav/johnson/ HTTP/1.1" 207 478 "-" "AddressBook/6.0 (1043) CardDAVPlugin/182 CFNetwork/520.0.13 Mac_OS_X/10.7.1 (11B26)"
128.196.45.230 - - [18/Aug/2011:09:18:39 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/ HTTP/1.1" 207 788 "-" "AddressBook/6.0 (1043) CardDAVPlugin/182 CFNetwork/520.0.13 Mac_OS_X/10.7.1 (11B26)"
128.196.45.230 - - [18/Aug/2011:09:18:40 -0700] "PROPFIND /SOGo/dav/johnson/ HTTP/1.1" 207 478 "-" "AddressBook/6.0 (1043) CardDAVPlugin/182 CFNetwork/520.0.13 Mac_OS_X/10.7.1 (11B26)"
128.196.45.230 - - [18/Aug/2011:09:18:40 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/ HTTP/1.1" 207 788 "-" "AddressBook/6.0 (1043) CardDAVPlugin/182 CFNetwork/520.0.13 Mac_OS_X/10.7.1 (11B26)"
128.196.45.230 - - [18/Aug/2011:09:18:40 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/directory/ HTTP/1.1" 207 403 "-" "AddressBook/6.0 (1043) CardDAVPlugin/182 CFNetwork/520.0.13 Mac_OS_X/10.7.1 (11B26)"
128.196.45.230 - - [18/Aug/2011:09:18:40 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/directory/ HTTP/1.1" 207 15818 "-" "AddressBook/6.0 (1043) CardDAVPlugin/182 CFNetwork/520.0.13 Mac_OS_X/10.7.1 (11B26)"
128.196.45.230 - - [18/Aug/2011:09:18:49 -0700] "GET /SOGo/dav/johnson/Contacts/directory/petersen HTTP/1.1" 200 213 "-" "AddressBook/6.0 (1043) CardDAVPlugin/182 CFNetwork/520.0.13 Mac_OS_X/10.7.1 (11B26)"

Remaining entries are adding the directory entries to the address book....

From 10.6 system: (this system was done first and the address book was loaded up from here, hence the PUT commands...)

[root@sogo httpd]# grep 128.196.45.237 ab-access.log
128.196.45.237 - - [18/Aug/2011:09:04:03 -0700] "PROPFIND / HTTP/1.1" 401 - "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:03 -0700] "PROPFIND / HTTP/1.1" 207 318 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:03 -0700] "REPORT /SOGo/dav/johnson/ HTTP/1.1" 401 - "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:03 -0700] "REPORT /SOGo/dav/johnson/ HTTP/1.1" 501 201 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:03 -0700] "PROPFIND /SOGo/dav/johnson/ HTTP/1.1" 401 - "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:03 -0700] "PROPFIND /SOGo/dav/johnson/ HTTP/1.1" 207 261 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:03 -0700] "PROPFIND /directory/ HTTP/1.1" 404 27 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:04 -0700] "PROPFIND /directory/ HTTP/1.1" 404 27 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:04 -0700] "PROPFIND /SOGo/dav/johnson/ HTTP/1.1" 401 - "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:04 -0700] "PROPFIND /SOGo/dav/johnson/ HTTP/1.1" 207 372 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:04 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/ HTTP/1.1" 401 - "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:04 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/ HTTP/1.1" 207 589 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:04 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/personal/ HTTP/1.1" 401 - "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:04 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/personal/ HTTP/1.1" 207 306 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:04 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/personal/ HTTP/1.1" 401 - "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:04 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/personal/ HTTP/1.1" 207 280 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:04:34 -0700] "\x16\x03\x01" 401 - "-" "-"
128.196.45.237 - - [18/Aug/2011:09:04:34 -0700] "\x16\x03" 401 - "-" "-"
128.196.45.237 - - [18/Aug/2011:09:14:59 -0700] "PROPFIND / HTTP/1.1" 401 - "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:14:59 -0700] "PROPFIND / HTTP/1.1" 207 318 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:14:59 -0700] "REPORT /SOGo/dav/johnson/ HTTP/1.1" 401 - "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:14:59 -0700] "REPORT /SOGo/dav/johnson/ HTTP/1.1" 501 201 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:14:59 -0700] "PROPFIND /SOGo/dav/johnson/ HTTP/1.1" 401 - "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:14:59 -0700] "PROPFIND /SOGo/dav/johnson/ HTTP/1.1" 207 261 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:14:59 -0700] "PROPFIND /directory/ HTTP/1.1" 404 27 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:15:00 -0700] "PROPFIND /directory/ HTTP/1.1" 404 27 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:15:00 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/ HTTP/1.1" 401 - "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:15:00 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/ HTTP/1.1" 207 589 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:15:00 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/personal/ HTTP/1.1" 401 - "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:15:00 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/personal/ HTTP/1.1" 207 306 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:15:00 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/personal/ HTTP/1.1" 401 - "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:15:00 -0700] "PROPFIND /SOGo/dav/johnson/Contacts/personal/ HTTP/1.1" 207 280 "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"
128.196.45.237 - - [18/Aug/2011:09:15:22 -0700] "PUT /SOGo/dav/johnson/Contacts/personal/E0338C1E-A678-4132-B59C-084E22238C13-ABSPlugin.vcf HTTP/1.1" 401 - "-" "Address%20Book/883 CFNetwork/454.12.4 Darwin/10.8.0 (i386) (iMac11%2C3)"

Remaining entries are putting the addresses into the personal address book on the sogo server.

This was confirmed as correct by setting up an iPad, which works correctly, all I got were the personal addresses back from the SOGo server