Alexander V. Chernikov 4f43138ade * Add the abilify to lock/unlock given table from changes.
Example:

# ipfw table si lock
# ipfw table si info
+++ table(si), set(0) +++
 kindex: 0, type: cidr, locked
 valtype: number, references: 0
 algorithm: cidr:radix
 items: 0, size: 288
# ipfw table si add 4.5.6.7
ignored: 4.5.6.7/32 0
ipfw: Adding record failed: table is locked
# ipfw table si unlock
# ipfw table si add 4.5.6.7
added: 4.5.6.7/32 0
# ipfw table si lock
# ipfw table si delete 4.5.6.7
ignored: 4.5.6.7/32 0
ipfw: Deleting record failed: table is locked
# ipfw table si unlock
# ipfw table si delete 4.5.6.7
deleted: 4.5.6.7/32 0
2014-08-11 18:09:37 +00:00
..
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