iRule rewrite | URL hiding

this is trace.

 1st f5

[root@ve10:Active] config  ssldump -Aed -nni 0.0 -k /config/ssl/ssl.key/default.key port 8080 or port 443
New TCP connection 1: 172.28.24.1(49569) <-> 172.28.24.9(443)
1 1  1391838514.2509 (0.0391)  C>S SSLv2 compatible client hello
1 2  1391838514.2510 (0.0001)  S>CV3.1(81)  Handshake
1 3  1391838514.2510 (0.0000)  S>CV3.1(953)  Handshake
1 4  1391838514.2510 (0.0000)  S>CV3.1(4)  Handshake
1 5  1391838514.2538 (0.0027)  C>SV3.1(262)  Handshake
1 6  1391838514.2538 (0.0000)  C>SV3.1(1)  ChangeCipherSpec
1 7  1391838514.2538 (0.0000)  C>SV3.1(36)  Handshake
1 8  1391838514.2734 (0.0195)  S>CV3.1(1)  ChangeCipherSpec
1 9  1391838514.2734 (0.0000)  S>CV3.1(36)  Handshake
1 10 1391838514.2747 (0.0013)  C>SV3.1(206)  application_data
    ---------------------------------------------------------------
    GET /help/site1/search.do?book=blah HTTP/1.1
    User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
    Accept: */*
    Host: www.mysite.com

    ---------------------------------------------------------------
New TCP connection 2: 172.28.24.15(49569) <-> 172.28.24.10(8080)
1391838514.2808 (0.0027)  C>S
---------------------------------------------------------------
GET /ehelp/microsites/search.do?book=blah HTTP/1.1
User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
Accept: */*
Host: news.bizsite.com:8080

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 2nd f5

[root@ve11a:Active:In Sync] config  ssldump -Aed -nni 0.0 port 8080
New TCP connection 1: 172.28.24.15(49569) <-> 172.28.24.10(8080)
1391839588.3632 (0.0027)  C>S
---------------------------------------------------------------
GET /ehelp/microsites/search.do?book=blah HTTP/1.1
User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
Accept: */*
Host: news.bizsite.com:8080

---------------------------------------------------------------

New TCP connection 2: 200.200.200.14(49569) <-> 200.200.200.101(8080)
1391839588.3670 (0.0037)  C>S
---------------------------------------------------------------
GET /ehelp/microsites/search.do?book=blah HTTP/1.1
User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
Accept: */*
Host: news.bizsite.com:8080

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