ktpass -out c:\squidproxy.keytab -princ HTTP/zentyal.test.local@TEST.LOCAL -mapUser squid@TEST.LOCAL -crypto ALL -pass mypassword -ptype KRB5_NT_PRINCIPAL

Targeting domain controller: zentyal.test.local
Using legacy password setting method
Successfully mapped HTTP/zentyal.test.local to squid.
Key created.
Key created.
Key created.
Key created.
Key created.
Output keytab to c:\squidproxy.keytab:
Keytab version: 0x502
keysize 61 HTTP/zentyal.test.local@TEST.LOCAL ptype 1 (KRB5_NT_PRINCIPAL) vno 4
etype 0x1 (DES-CBC-CRC) keylength 8 (0x07ae86fb7ad5b6b9)
keysize 61 HTTP/zentyal.test.local@TEST.LOCAL ptype 1 (KRB5_NT_PRINCIPAL) vno 4
etype 0x3 (DES-CBC-MD5) keylength 8 (0x07ae86fb7ad5b6b9)
keysize 69 HTTP/zentyal.test.local@TEST.LOCAL ptype 1 (KRB5_NT_PRINCIPAL) vno 4
etype 0x17 (RC4-HMAC) keylength 16 (0x4c889574ba05930f966fdd7512c06bb3)
keysize 85 HTTP/zentyal.test.local@TEST.LOCAL ptype 1 (KRB5_NT_PRINCIPAL) vno 4
etype 0x12 (AES256-SHA1) keylength 32 (0x12fc10e0feda433371ae220189c4ef829ca5ea3
b197d3acbdcc56230eac45a7c)
keysize 69 HTTP/zentyal.test.local@TEST.LOCAL ptype 1 (KRB5_NT_PRINCIPAL) vno 4
etype 0x11 (AES128-SHA1) keylength 16 (0xce0b0b3f0282c247e15e388e6a688b3e)