July 2004
Intermediate to advanced
448 pages
10h 7m
English
Content preview from Practical BGP
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Chapter 9
| 1: | Are MD5 keys periodically transmitted over the link between two BGP peers? How are keys managed when using MD5 to authenticate a session between two BGP speakers? |
| A1: | Keys are not periodically exchanged between BGP speakers when using MD5 as an authentication method; they must be manually managed, including manual periodic key changes. |
| 2: | At what level within the BGP packets is the MD5 authentication inserted? Is it an IP option, a TCP option, or a BGP option? |
| A2: | MD5 authentication strings are included as a TCP option header. |
| 3: | What type of protection does the BTSH security hack provide? |
| A3: | It prevents the attack of BGP speakers from further away than the farthest known peer. For instance, if all the peers of a BGP speaker are directly ... |
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