如何判断分析POST哪些地方需要登录随机值呢？

webmastertx

以下是我在百度空间发帖时抓包抓到的 谁帮我分析分析
POST /joam7057/blog/submit/createblog HTTP/1.1 #我知道这里
Host: hi.baidu.com #我知道这里
User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20100101 Firefox/8.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: zh-cn,zh;q=0.5
Accept-Encoding: gzip, deflate
Accept-Charset: GB2312,utf-8;q=0.7,*;q=0.7
DNT: 1
Connection: keep-alive
Referer: http://hi.baidu.com/joam7057/blog/create #我知道这里
Cookie: ED2=0; BAIDUID=C31BDB0EFCAFC7D2098BF54CF043BD2A:FG=1; BDSTAT=5f0eb64f27ed3bc8e950352a1e08113795b90ff6b1119313a47eca8067386b45; Hm_lvt_4d16ad3b9adade3b562e5f64c3a01c5d=1325473170932; _time_s**p_=70; Hm_lvt_8bad32deb84d9f90588c9d7a4549b561=1325473171743; USERID=15898cc6e27e56477ff0b2b4; IKWISDOM_EGG=1; BDSP=1e38bd7e5d6134a82e83a3b51347485bcfd929508e1a935717f347da9c82d158ccbf6c81800a19d8bc3eb13533fa828ba61ea8d3fd1f4134970a304e251f95cad1c8a786c9177f3e6709c93d70cf3bc79f3df8dcd100baa1cd11728b4710b912cbfc57d9; Hm_lpvt_4d16ad3b9adade3b562e5f64c3a01c5d=1325473170932; _opend_windows_=1; Hm_lpvt_8bad32deb84d9f90588c9d7a4549b561=1325473171743; BDUSS=1nejlqNG9wbEFObTdwRVF1bFRsSlYzblZXYnZ0ZFlOUFNzWXFwZ09kMGFxeWhQQUFBQUFBJCQAAAAAAAAAAAoawRfYVAEPam9hbTcwNTcAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADgaqV3AAAAAOBqpXcAAAAAuWZCAAAAAAAxMC44MS41MBoeAU8aHgFPTS; BDOPINFO=5d61e4d221eb64eb77c63807|joam7057|joam7057|335088d5b1358be5b934ea2180abb219
Content-Type: application/x-www-form-urlencoded
Content-Length: 281 #我知道这里

bdstoken=3f1b411f49819b2729733d2a5c3990b1&ct=1&cm=1&spBlogID=&spBlogCatName_o=&edithid=&previewImg=&spBlogTitle=AAAAABBBBBAAAAA&spBlogText=%3Cp%3EA1AAAABBBBBAAAA1A%3C%2Fp%3E&spBlogCatName=%C4%AC%C8%CF%B7%D6%C0%E0&spBlogPower=0&spIsCmtAllow=1&spShareNotAllow=0&spVcode=&spVerifyKey= #我知道这里

但如何判断分析哪些地方需要登录随机值呢？