Documentation
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Áú»¢¶Ä²© §á§â§à§Ü§ã§Ú §Þ§à§Ø§Ö§ä §ã§à§Ò§Ú§â§Ñ§ä§î §Õ§Ñ§ß§ß§í§Ö §à §á§â§à§Ú§Ù§Ó§à§Õ§Ú§ä§Ö§Ý§î§ß§à§ã§ä§Ú §Ú §Õ§à§ã§ä§å§á§ß§à§ã§ä§Ú §à§ä §Ú§Þ§Ö§ß§Ú Áú»¢¶Ä²© §ã§Ö§â§Ó§Ö§â§Ñ. §´§Ñ§Ü§Ú§Þ §à§Ò§â§Ñ§Ù§à§Þ, §á§â§à§Ü§ã§Ú §Þ§à§Ø§Ö§ä §Ó§Ù§ñ§ä§î §ß§Ñ §ã§Ö§Ò§ñ §ß§Ö§Ü§à§ä§à§â§å§ð §é§Ñ§ã§ä§î §ß§Ñ§Ô§â§å§Ù§Ü§Ú §á§à §ã§Ò§à§â§å §Õ§Ñ§ß§ß§í§ç §Ú §â§Ñ§Ù§Ô§â§å§Ù§Ú§ä§î Áú»¢¶Ä²© §ã§Ö§â§Ó§Ö§â.
§¬§â§à§Þ§Ö §ä§à§Ô§à, §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ß§Ú§Ö §á§â§à§Ü§ã§Ú §ï§ä§à §ã§Ñ§Þ§í§Û §á§â§à§ã§ä§à§Û §ã§á§à§ã§à§Ò §à§ã§å§ë§Ö§ã§ä§Ó§Ý§Ö§ß§Ú§ñ §è§Ö§ß§ä§â§Ñ§Ý§Ú§Ù§à§Ó§Ñ§ß§ß§à§Ô§à §Ú §â§Ñ§ã§á§â§Ö§Õ§Ö§Ý§Ö§ß§ß§à§Ô§à §Þ§à§ß§Ú§ä§à§â§Ú§ß§Ô§Ñ, §Ü§à§Ô§Õ§Ñ §Ó§ã§Ö §Ñ§Ô§Ö§ß§ä§í §Ú §á§â§à§Ü§ã§Ú §à§ä§é§Ú§ä§í§Ó§Ñ§ð§ä§ã§ñ §á§Ö§â§Ö§Õ §à§Õ§ß§Ú§Þ Áú»¢¶Ä²© §ã§Ö§â§Ó§Ö§â§à§Þ §Ú §Ó§ã§Ö §Õ§Ñ§ß§ß§í§Ö §ã§à§Ò§Ú§â§Ñ§ð§ä§ã§ñ §Ó §è§Ö§ß§ä§â§Ñ§Ý§Ú§Ù§à§Ó§Ñ§ß§ß§à§Þ §á§à§â§ñ§Õ§Ü§Ö.
Áú»¢¶Ä²© §á§â§à§Ü§ã§Ú §Þ§à§Ø§ß§à §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ä§î §Õ§Ý§ñ:
- §®§à§ß§Ú§ä§à§â§Ú§ß§Ô§Ñ §å§Õ§Ñ§Ý§Ö§ß§ß§í§ç §Þ§Ö§ã§ä
- §®§à§ß§Ú§ä§à§â§Ú§ß§Ô§Ñ §Ó §Þ§Ö§ã§ä§Ñ§ç §ã §ß§Ö§ß§Ñ§Õ§Ö§Ø§ß§à§Û §ã§Ó§ñ§Ù§î§ð
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§±§â§à§Ü§ã§Ú §ä§â§Ö§Ò§å§Ö§ä §ä§à§Ý§î§Ü§à §à§Õ§ß§à TCP §ã§à§Ö§Õ§Ú§ß§Ö§ß§Ú§Ö §Ü Áú»¢¶Ä²© §ã§Ö§â§Ó§Ö§â§å. §´§Ñ§Ü§Ú§Þ §à§Ò§â§Ñ§Ù§à§Þ, §Ò§å§Õ§Ö§ä §á§â§à§ë§Ö §ß§Ñ§ã§ä§â§à§Ú§ä§î §à§Ò§ç§à§Õ §Ò§â§Ñ§ß§Õ§Þ§Ñ§å§ï§â§Ñ, §Ó§Ñ§Þ §á§à§ä§â§Ö§Ò§å§Ö§ä§ã§ñ §ß§Ñ§ã§ä§â§à§Ú§ä§î §ä§à§Ý§î§Ü§à §à§Õ§ß§à §á§â§Ñ§Ó§Ú§Ý§à §Ó §Ò§â§Ñ§ß§Õ§Þ§Ñ§å§ï§â§Ö.
Áú»¢¶Ä²© §á§â§à§Ü§ã§Ú §Õ§à§Ý§Ø§Ö§ß §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ä§î §à§ä§Õ§Ö§Ý§î§ß§å§ð §Ò§Ñ§Ù§å §Õ§Ñ§ß§ß§í§ç. §¦§ã§Ý§Ú §å§Ü§Ñ§Ù§Ñ§ä§î §Ò§Ñ§Ù§å §Õ§Ñ§ß§ß§í§ç Áú»¢¶Ä²© §ã§Ö§â§Ó§Ö§â§Ñ, §ä§à §Ü§à§ß§æ§Ú§Ô§å§â§Ñ§è§Ú§ñ §Ò§å§Õ§Ö§ä §Ú§ã§á§à§â§é§Ö§ß§Ñ.
§£§ã§Ö §Õ§Ñ§ß§ß§í§Ö §ã§à§Ò§â§Ñ§ß§ß§í§Ö §á§â§à§Ü§ã§Ú, §á§Ö§â§Ö§Õ §à§ä§á§â§Ñ§Ó§Ü§à§Û §Ú§ç §ã§Ö§â§Ó§Ö§â§å, §ç§â§Ñ§ß§ñ§ä§ã§ñ §Ý§à§Ü§Ñ§Ý§î§ß§à. §´§Ñ§Ü§Ú§Þ §à§Ò§â§Ñ§Ù§à§Þ, §Õ§Ñ§ß§ß§í§Ö §ß§Ö §ä§Ö§â§ñ§ð§ä§ã§ñ §Ú§Ù-§Ù§Ñ §Ó§â§Ö§Þ§Ö§ß§ß§í§ç §á§â§à§Ò§Ý§Ö§Þ §ã§à §ã§Ó§ñ§Ù§î§ð §ã §ã§Ö§â§Ó§Ö§â§à§Þ. §±§Ñ§â§Ñ§Þ§Ö§ä§â§í ProxyLocalBuffer §Ú ProxyOfflineBuffer §Ó §æ§Ñ§Û§Ý§Ö §Ü§à§ß§æ§Ú§Ô§å§â§Ñ§è§Ú§Ú §á§â§à§Ü§ã§Ú §å§á§â§Ñ§Ó§Ý§ñ§ð§ä §Ü§Ñ§Ü §Õ§à§Ý§Ô§à §Õ§Ñ§ß§ß§í§Ö §Ò§å§Õ§å§ä §ç§â§Ñ§ß§Ú§ä§î§ã§ñ §Ý§à§Ü§Ñ§Ý§î§ß§à.
§®§à§Ø§Ö§ä §ã§Ý§å§é§Ú§ä§î§ã§ñ, §é§ä§à §á§â§à§Ü§ã§Ú §á§à§Ý§å§é§Ñ§ð§ë§Ú§Û §Ú§Ù§Þ§Ö§ß§Ö§ß§Ú§ñ §Ü§à§ß§æ§Ú§Ô§å§â§Ñ§è§Ú§Ú §Ú§Ù §Ò§Ñ§Ù§í Áú»¢¶Ä²© §ã§Ö§â§Ó§Ö§â§Ñ, §Ò§å§Õ§Ö§ä §Ú§Þ§Ö§ä§î §Ò§à§Ý§Ö§Ö §ã§Ó§Ö§Ø§å§ð §Ü§à§ß§æ§Ú§Ô§å§â§Ñ§è§Ú§ð, §é§Ö§Þ §ã§Ñ§Þ Áú»¢¶Ä²© §ã§Ö§â§Ó§Ö§â, §é§î§ñ §Ü§à§ß§æ§Ú§Ô§å§â§Ñ§è§Ú§ñ §Þ§à§Ø§Ö§ä §à§Ò§ß§à§Ó§Ý§ñ§ä§î§ã§ñ §â§Ö§Ø§Ö §ã§à§Ô§Ý§Ñ§ã§ß§à §Ù§ß§Ñ§é§Ö§ß§Ú§ð §á§Ñ§â§Ñ§Þ§Ö§ä§â§Ñ CacheUpdateFrequency. §£ §â§Ö§Ù§å§Ý§î§ä§Ñ§ä§Ö, §á§â§à§Ü§ã§Ú §ß§Ñ§é§ß§Ö§ä §ã§Ò§à§â §Õ§Ñ§ß§ß§í§ç §Ú §Ò§å§Õ§Ö§ä §à§ä§á§â§Ñ§Ó§Ý§ñ§ä§î §ï§ä§Ú §Õ§Ñ§ß§ß§í§Ö Áú»¢¶Ä²© §ã§Ö§â§Ó§Ö§â§å, §Ü§à§ä§à§â§í§Û §Ò§å§Õ§Ö§ä §Ú§ç §Ú§Ô§ß§à§â§Ú§â§à§Ó§Ñ§ä§î.
Áú»¢¶Ä²© §á§â§à§Ü§ã§Ú - §Ü§à§Ý§Ý§Ö§Ü§ä§à§â §Õ§Ñ§ß§ß§í§ç. §°§ß §ß§Ö §Ó§í§é§Ú§ã§Ý§ñ§Ö§ä §ä§â§Ú§Ô§Ô§Ö§â§í, §ß§Ö §à§Ò§â§Ñ§Ò§Ñ§ä§í§Ó§Ñ§Ö§ä §ã§à§Ò§í§ä§Ú§ñ §Ú §ß§Ö §à§ä§á§â§Ñ§Ó§Ý§ñ§Ö§ä §à§á§à§Ó§Ö§ë§Ö§ß§Ú§ñ. §¥§Ý§ñ §à§Ò§Ù§à§â§Ñ §Ó§à§Ù§Þ§à§Ø§ß§à§ã§ä§Ö§Û §á§â§à§Ü§ã§Ú, §á§â§à§ã§Þ§à§ä§â§Ú§ä§Ö §ã§Ý§Ö§Õ§å§ð§ë§å§ð §ä§Ñ§Ò§Ý§Ú§è§å:
| §¶§å§ß§Ü§è§Ú§ñ | §±§à§Õ§Õ§Ö§â§Ø§Ü§Ñ §á§â§à§Ü§ã§Ú | |
|---|---|---|
| §¿§Ý§Ö§Þ§Ö§ß§ä§í §Õ§Ñ§ß§ß§í§ç | ||
| §±§â§à§Ó§Ö§â§Ü§Ú §é§Ö§â§Ö§Ù Áú»¢¶Ä²© §Ñ§Ô§Ö§ß§ä | §¥§Ñ | |
| §±§â§à§Ó§Ö§â§Ü§Ú §é§Ö§â§Ö§Ù Áú»¢¶Ä²© §Ñ§Ô§Ö§ß§ä (§Ñ§Ü§ä§Ú§Ó§ß§í§Û) | §¥§Ñ 1 | |
| §±§â§à§ã§ä§í§Ö §á§â§à§Ó§Ö§â§Ü§Ú | §¥§Ñ | |
| §¿§Ý§Ö§Þ§Ö§ß§ä§í §Õ§Ñ§ß§ß§í§ç §ä§â§Ñ§á§á§Ö§â§Ñ | §¥§Ñ | |
| SNMP §á§â§à§Ó§Ö§â§Ü§Ú | §¥§Ñ | |
| SNMP §ä§â§Ñ§á§í | §¥§Ñ | |
| IPMI §á§â§à§Ó§Ö§â§Ü§Ú | §¥§Ñ | |
| JMX §á§â§à§Ó§Ö§â§Ü§Ú | §¥§Ñ | |
| §®§à§ß§Ú§ä§à§â§Ú§ß§Ô §æ§Ñ§Û§Ý§à§Ó §Ø§å§â§ß§Ñ§Ý§à§Ó | §¥§Ñ | |
| §£§ß§å§ä§â§Ö§ß§ß§Ú§Ö §á§â§à§Ó§Ö§â§Ü§Ú | §¥§Ñ | |
| §±§â§à§Ó§Ö§â§Ü§Ú §é§Ö§â§Ö§Ù SSH | §¥§Ñ | |
| §±§â§à§Ó§Ö§â§Ü§Ú §é§Ö§â§Ö§Ù Telnet | §¥§Ñ | |
| §£§ß§Ö§ê§ß§Ú§Ö §á§â§à§Ó§Ö§â§Ü§Ú | §¥§Ñ | |
| §©§Ñ§Ó§Ú§ã§Ú§Þ§í§Ö §ï§Ý§Ö§Þ§Ö§ß§ä§í §Õ§Ñ§ß§ß§í§ç | §¥§Ñ 2 | |
| §£§ã§ä§â§à§Ö§ß§ß§í§Û §Ó§Ö§Ò-§Þ§à§ß§Ú§ä§à§â§Ú§ß§Ô | §¥§Ñ | |
| §°§Ò§ß§Ñ§â§å§Ø§Ö§ß§Ú§Ö §ã§Ö§ä§Ú | §¥§Ñ | |
| §¯§Ú§Ù§Ü§à§å§â§à§Ó§ß§Ö§Ó§à§Ö §à§Ò§ß§Ñ§â§å§Ø§Ö§ß§Ú§Ö | §¥§Ñ | |
| §µ§Õ§Ñ§Ý§Ö§ß§ß§í§Ö §Ü§à§Þ§Ñ§ß§Õ§í | §¥§Ñ | |
| §£§í§é§Ú§ã§Ý§Ö§ß§Ú§Ö §ä§â§Ú§Ô§Ô§Ö§â§à§Ó | §¯§Ö§ä | |
| §°§Ò§â§Ñ§Ò§à§ä§Ü§Ñ §ã§à§Ò§í§ä§Ú§Û | §¯§Ö§ä | |
| §¬§à§â§â§Ö§Ý§ñ§è§Ú§ñ §ã§à§Ò§í§ä§Ú§Û | §¯§Ö§ä | |
| §°§ä§á§â§Ñ§Ó§Ü§Ñ §à§á§à§Ó§Ö§ë§Ö§ß§Ú§Û | §¯§Ö§ä | |
| §±§â§Ö§Õ§à§Ò§â§Ñ§Ò§à§ä§Ü§Ñ §Ù§ß§Ñ§é§Ö§ß§Ú§Û §ï§Ý§Ö§Þ§Ö§ß§ä§à§Ó §Õ§Ñ§ß§ß§í§ç | §¯§Ö§ä | |
[1] §¹§ä§à§Ò§í §å§Ò§Ö§Õ§Ú§ä§î§ã§ñ, §é§ä§à §Ñ§Ô§Ö§ß§ä §Ù§Ñ§á§â§Ñ§ê§Ú§Ó§Ñ§Ö§ä §Ñ§Ü§ä§Ú§Ó§ß§í§Ö §á§â§à§Ó§Ö§â§Ü§Ú §å §á§â§à§Ü§ã§Ú (§Ñ §ß§Ö §å §ã§Ö§â§Ó§Ö§â§Ñ), IP §Ñ§Õ§â§Ö§ã §á§â§à§Ü§ã§Ú §Õ§à§Ý§Ø§Ö§ß §Ò§í§ä§î §å§Ü§Ñ§Ù§Ñ§ß §Ó §á§Ñ§â§Ñ§Þ§Ö§ä§â§Ö ServerActive §æ§Ñ§Û§Ý§Ñ §Ü§à§ß§æ§Ú§Ô§å§â§Ñ§è§Ú§Ú §Ñ§Ô§Ö§ß§ä§Ñ.
[2] §±§â§Ö§Õ§à§Ò§â§Ñ§Ò§à§ä§Ü§Ñ §Ù§ß§Ñ§é§Ö§ß§Ú§Û §ï§Ý§Ö§Þ§Ö§ß§ä§à§Ó §Õ§Ñ§ß§ß§í§ç §ß§Ñ §ã§ä§à§â§à§ß§Ö Áú»¢¶Ä²© §ã§Ö§â§Ó§Ö§â§Ñ §ß§Ö§à§Ò§ç§à§Õ§Ú§Þ§Ñ §Õ§Ý§ñ §Ú§Ù§Ó§Ý§Ö§é§Ö§ß§Ú§ñ §ä§â§Ö§Ò§å§Ö§Þ§à§Ô§à §Ù§ß§Ñ§é§Ö§ß§Ú§ñ §ã §Õ§Ñ§ß§ß§í§ç §Þ§Ñ§ã§ä§Ö§â §ï§Ý§Ö§Þ§Ö§ß§ä§Ñ §Õ§Ñ§ß§ß§í§ç.
Protection from overloading
If Áú»¢¶Ä²© server was down for some time, and proxies have collected a lot of data, and then the server starts, it may get overloaded (history cache usage stays at 95-100% for some time). This overload could result in a performance hit, where checks are processed slower than they should. Protection from this scenario was implemented to avoid problems that arise due to overloading history cache.
When Áú»¢¶Ä²© server history cache is full the history cache write access is being throttled, stalling server data gathering processes. The most common history cache overload case is after server downtime when proxies are uploading gathered data. To avoid this proxy throttling was added (currently it cannot be disabled).
Áú»¢¶Ä²© sever will stop accepting data from proxies when history cache usage reaches 80%. Instead those proxies will be put on a throttling list. This will continue until the cache usage falls down to 60%. Now server will start accepting data from proxies one by one, defined by the throttling list. This means the first proxy that attempted to upload data during the throttling period will be served first and until it's done the server will not accept data from other proxies.
This throttling mode will continue until either cache usage hits 80% again or falls down to 20% or the throttling list is empty. In the first case the server will stop accepting proxy data again. In the other two cases the server will start working normally, accepting data from all proxies.
You may use the zabbix[wcache,history,pused] internal item to correlate this behavior of Áú»¢¶Ä²© server with a metric.
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| IP §Ñ§Õ§â§Ö§ã | IP §Ñ§Õ§â§Ö§ã §á§Ñ§ã§ã§Ú§Ó§ß§à§Ô§à §á§â§à§Ü§ã§Ú (§à§á§è§Ú§à§ß§Ñ§Ý§î§ß§à). | |
| DNS §Ú§Þ§ñ | DNS §Ú§Þ§ñ §á§Ñ§ã§ã§Ú§Ó§ß§à§Ô§à §á§â§à§Ü§ã§Ú (§à§á§è§Ú§à§ß§Ñ§Ý§î§ß§à). | |
| §±§à§Õ§Ü§Ý§ð§é§Ö§ß§Ú§Ö §é§Ö§â§Ö§Ù | §¯§Ñ§Ø§Ñ§Ó §ã§à§à§ä§Ó§Ö§ä§ã§ä§Ó§å§ð§ë§å§ð §Ü§ß§à§á§Ü§å, §Ó§í §ã§à§à§Ò§ë§Ú§ä§Ö Áú»¢¶Ä²© §ã§Ö§â§Ó§Ö§â§å §é§ä§à §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ä§î §Õ§Ý§ñ §á§à§Ý§å§é§Ö§ß§Ú§ñ §Õ§Ñ§ß§ß§í§ç §ã §á§â§à§Ü§ã§Ú: IP - §±§à§Õ§Ü§Ý§ð§é§Ö§ß§Ú§Ö §Ü §á§â§à§Ü§ã§Ú §á§à IP §Ñ§Õ§â§Ö§ã§å (§â§Ö§Ü§à§Þ§Ö§ß§Õ§å§Ö§ä§ã§ñ) DNS - §±§à§Õ§Ü§Ý§ð§é§Ö§ß§Ú§Ö §Ü §á§â§à§Ü§ã§Ú §á§à DNS §Ú§Þ§Ö§ß§Ú |
|
| §±§à§â§ä | §¯§à§Þ§Ö§â TCP/UDP §á§à§â§ä§Ñ §á§Ñ§ã§ã§Ú§Ó§ß§à§Ô§à §á§â§à§Ü§ã§Ú (§á§à §å§Þ§à§Ý§é§Ñ§ß§Ú§ð 10051). | |
| §°§á§Ú§ã§Ñ§ß§Ú§Ö | §£§Ó§Ö§Õ§Ú§ä§Ö §à§á§Ú§ã§Ñ§ß§Ú§Ö §á§â§à§Ü§ã§Ú. | |
§£§Ü§Ý§Ñ§Õ§Ü§Ñ §º§Ú§æ§â§à§Ó§Ñ§ß§Ú§Ö §á§à§Ù§Ó§à§Ý§ñ§Ö§ä §Ó§Ñ§Þ §ä§â§Ö§Ò§à§Ó§Ñ§ä§î §ê§Ú§æ§â§à§Ó§Ñ§ß§ß§í§ç §ã§à§Ö§Õ§Ú§ß§Ö§ß§Ú§Û §ã §á§â§à§Ü§ã§Ú.
| §±§Ñ§â§Ñ§Þ§Ö§ä§â | §°§á§Ú§ã§Ñ§ß§Ú§Ö |
|---|---|
| §±§à§Õ§Ü§Ý§ð§é§Ö§ß§Ú§ñ §Ü §á§â§à§Ü§ã§Ú | §¬§Ñ§Ü§Ú§Þ §à§Ò§â§Ñ§Ù§à§Þ §ã§Ö§â§Ó§Ö§â §á§à§Õ§Ü§Ý§ð§é§Ñ§Ö§ä§ã§ñ §Ü §á§Ñ§ã§ã§Ú§Ó§ß§à§Þ§å §á§â§à§Ü§ã§Ú: §Ò§Ö§Ù §ê§Ú§æ§â§à§Ó§Ñ§ß§Ú§ñ (§á§à §å§Þ§à§Ý§é§Ñ§ß§Ú§ð), §Ú§ã§á§à§Ý§î§Ù§å§ñ PSK (pre-shared key) §Ú§Ý§Ú §ã§Ö§â§ä§Ú§æ§Ú§Ü§Ñ§ä. |
| §³§à§Ö§Õ§Ú§ß§Ö§ß§Ú§ñ §ã §á§â§à§Ü§ã§Ú | §£§í§Ò§Ö§â§Ú§ä§Ö §Ü§Ñ§Ü§à§Û §ä§Ú§á §á§à§Õ§Ü§Ý§ð§é§Ö§ß§Ú§Û §â§Ñ§Ù§â§Ö§ê§Ö§ß §ã §Ñ§Ü§ä§Ú§Ó§ß§à§Ô§à §á§â§à§Ü§ã§Ú. §®§à§Ø§ß§à §Ó§í§Ò§â§Ñ§ä§î §ß§Ö§ã§Ü§à§Ý§î§Ü§à §ä§Ú§á§à§Ó §ã§à§Ö§Õ§Ú§ß§Ö§ß§Ú§Û §à§Õ§ß§à§Ó§â§Ö§Þ§Ö§ß§ß§à (§á§à§Ý§Ö§Ù§ß§à §á§â§Ú §ä§Ö§ã§ä§Ú§â§à§Ó§Ñ§ß§Ú§Ú §Ú §á§Ö§â§Ö§Ü§Ý§ð§é§Ö§ß§Ú§Ú §ß§Ñ §Õ§â§å§Ô§à§Û §ä§Ú§á §ã§à§Ö§Õ§Ú§ß§Ö§ß§Ú§ñ). §±§à §å§Þ§à§Ý§é§Ñ§ß§Ú§ð - "§¢§Ö§Ù §ê§Ú§æ§â§à§Ó§Ñ§ß§Ú§ñ". |
| §ª§Ù§Õ§Ñ§ä§Ö§Ý§î | §²§Ñ§Ù§â§Ö§ê§Ö§ß§ß§í§Û §ï§Þ§Ú§ä§Ö§ß§ä §ã§Ö§â§ä§Ú§æ§Ú§Ü§Ñ§ä§Ñ. §³§Ö§â§ä§Ú§æ§Ú§Ü§Ñ§ä §ã§ß§Ñ§é§Ñ§Ý§Ñ §á§à§Õ§ä§Ó§Ö§â§Ø§Õ§Ñ§Ö§ä§ã§ñ CA (§è§Ö§ß§ä§â§à§Þ §ã§Ö§â§ä§Ú§æ§Ú§Ü§Ñ§è§Ú§Ú). §¦§ã§Ý§Ú §à§ß §Õ§Ö§Û§ã§ä§Ó§Ú§ä§Ö§Ý§î§ß§í§Û, §á§à§Õ§á§Ú§ã§Ñ§ß §ã §á§à§Þ§à§ë§î§ð CA, §ä§à§Ô§Õ§Ñ §Þ§à§Ø§ß§à §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ä§î §á§à§Ý§Ö §ª§Ù§Õ§Ñ§ä§Ö§Ý§î §Õ§Ý§ñ §Ò§à§Ý§Ö§Ö §ã§ä§â§à§Ô§à §à§Ô§â§Ñ§ß§Ú§é§Ö§ß§Ú§ñ §â§Ñ§Ù§â§Ö§ê§Ö§ß§ß§í§ç CA. §¿§ä§à §á§à§Ý§Ö §à§á§è§Ú§à§ß§Ñ§Ý§î§ß§à, §á§â§Ö§Õ§ß§Ñ§Ù§ß§Ñ§é§Ö§ß§à §Õ§Ý§ñ §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ß§Ú§ñ, §Ö§ã§Ý§Ú §Ó§Ñ§ê§Ñ Áú»¢¶Ä²© §Ú§ß§ã§ä§Ñ§Ý§Ý§ñ§è§Ú§ñ §Ú§ã§á§à§Ý§î§Ù§å§Ö§ä §ã§Ö§â§ä§Ú§æ§Ú§Ü§Ñ§ä§í §à§ä §ß§Ö§ã§Ü§à§Ý§î§Ü§Ú§ç CA. |
| §´§Ö§Þ§Ñ | §²§Ñ§Ù§â§Ö§ê§Ö§ß§ß§Ñ§ñ §ä§Ö§Þ§Ñ §ã§Ö§â§ä§Ú§æ§Ú§Ü§Ñ§ä§Ñ. §³§Ö§â§ä§Ú§æ§Ú§Ü§Ñ§ä §ã§ß§Ñ§é§Ñ§Ý§Ñ §á§à§Õ§ä§Ó§Ö§â§Ø§Õ§Ñ§Ö§ä§ã§ñ CA. §¦§ã§Ý§Ú §à§ß §Õ§Ö§Û§ã§ä§Ó§Ú§ä§Ö§Ý§î§ß§í§Û, §á§à§Õ§á§Ú§ã§Ñ§ß §ã §á§à§Þ§à§ë§î§ð CA, §ä§à§Ô§Õ§Ñ §Þ§à§Ø§ß§à §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ä§î §á§à§Ý§Ö §´§Ö§Þ§Ñ, §é§ä§à§Ò§í §â§Ñ§Ù§â§Ö§ê§Ú§ä§î §ä§à§Ý§î§Ü§à §à§Õ§ß§à §Ù§ß§Ñ§é§Ö§ß§Ú§Ö §ã§ä§â§à§Ü§Ú §´§Ö§Þ§Ñ. §¦§ã§Ý§Ú §á§à§Ý§Ö §á§å§ã§ä§à§Ö, §ä§à§Ô§Õ§Ñ §á§â§Ú§ß§Ú§Þ§Ñ§Ö§ä§ã§ñ §Ý§ð§Ò§à§Û §ã§Ö§â§ä§Ú§æ§Ú§Ü§Ñ§ä, §á§à§Õ§á§Ú§ã§Ñ§ß§ß§í§Û §ß§Ñ§ã§ä§â§à§Ö§ß§ß§í§Þ CA. |
| §ª§Õ§Ö§ß§ä§Ú§æ§Ú§Ü§Ñ§ä§à§â PSK | §³§ä§â§à§Ü§Ñ §Ú§Õ§Ö§ß§ä§Ú§æ§Ú§Ü§Ñ§è§Ú§Ú pre-shared key. |
| PSK | Pre-shared key (§ã§ä§â§à§Ü§Ñ §Ó §ê§Ö§ã§ä§ß§Ñ§Õ§è§Ñ§ä§Ö§â§Ú§é§ß§à§Þ §æ§à§â§Þ§Ñ§ä§Ö). §®§Ñ§Ü§ã§Ú§Þ§Ñ§Ý§î§ß§Ñ§ñ §Õ§Ý§Ú§ß§Ñ: 512 §ê§Ö§ã§ä§ß§Ñ§Õ§è§Ñ§ä§Ö§â§Ú§é§ß§í§ç §è§Ú§æ§â (256-§Ò§Ñ§Û§ä PSK), §Ö§ã§Ý§Ú Áú»¢¶Ä²© §Ú§ã§á§à§Ý§î§Ù§å§Ö§ä §Ò§Ú§Ò§Ý§Ú§à§ä§Ö§Ü§Ú GnuTLS §Ú§Ý§Ú OpenSSL, 64 §ê§Ö§ã§ä§ß§Ñ§Õ§è§Ñ§ä§Ö§â§Ú§é§ß§í§ç §è§Ú§æ§â (32-§Ò§Ñ§Û§ä PSK), §Ö§ã§Ý§Ú Áú»¢¶Ä²© §Ú§ã§á§à§Ý§î§Ù§å§Ö§ä §Ò§Ú§Ò§Ý§Ú§à§ä§Ö§Ü§å mbed TLS (PolarSSL). §±§â§Ú§Þ§Ö§â: 1f87b595725ac58dd977beef14b97461a7c1045b9a1c963065002c5473194952 |
§¯§Ñ§ã§ä§â§à§Û§Ü§Ñ §å§Ù§Ý§à§Ó §ã§Ö§ä§Ú
§£§í §Þ§à§Ø§Ö§ä§Ö §å§Ü§Ñ§Ù§Ñ§ä§î §Ü§Ñ§Ü§Ú§Ö §Ü§à§ß§Ü§â§Ö§ä§ß§à §å§Ù§Ý§í §ã§Ö§ä§Ú §Õ§à§Ý§Ø§ß§í §ß§Ñ§Ò§Ý§ð§Õ§Ñ§ä§î§ã§ñ §é§Ö§â§Ö§Ù §á§â§à§Ü§ã§Ú §Ó §Õ§Ú§Ñ§Ý§à§Ô§Ö §ß§Ñ§ã§ä§â§à§Û§Ü§Ú §å§Ù§Ý§Ñ §ã§Ö§ä§Ú, §Ú§ã§á§à§Ý§î§Ù§å§ñ §á§à§Ý§Ö §¯§Ñ§Ò§Ý§ð§Õ§Ö§ß§Ú§Ö §é§Ö§â§Ö§Ù §á§â§à§Ü§ã§Ú.
§®§Ñ§ã§ã§à§Ó§à§Ö §à§Ò§ß§à§Ó§Ý§Ö§ß§Ú§Ö §å§Ù§Ý§à§Ó §ã§Ö§ä§Ú §ñ§Ó§Ý§ñ§Ö§ä§ã§ñ §Ö§ë§Ö §à§Õ§ß§Ú§Þ §ã§á§à§ã§à§Ò§à§Þ, §Ô§Õ§Ö §Þ§à§Ø§ß§à §å§Ü§Ñ§Ù§Ñ§ä§î, §é§ä§à §å§Ù§Ý§í §ã§Ö§ä§Ú §Õ§à§Ý§Ø§ß§í §ß§Ñ§Ò§Ý§ð§Õ§Ñ§ä§î§ã§ñ §é§Ö§â§Ö§Ù §á§â§à§Ü§ã§Ú.