鐢ㄨ瀹氫箟
1.鍐呴儴Tuple錛氭寚鍐呴儴涓繪満鐨勭鏈夊湴鍧鍜岀鍙e彿鎵鏋勬垚鐨勪簩鍏冪粍錛屽嵆鍐呴儴涓繪満鎵鍙戦佹姤鏂囩殑婧愬湴鍧銆佺鍙f墍鏋勬垚鐨勪簩鍏冪粍
2.澶栭儴Tuple錛氭寚鍐呴儴Tuple緇忚繃NAT鐨勬簮鍦板潃/绔彛杞崲涔嬪悗錛屾墍鑾峰緱鐨勫閮ㄥ湴鍧銆佺鍙f墍鏋勬垚鐨勪簩鍏冪粍錛屽嵆澶栭儴涓繪満鏀跺埌緇廚AT杞崲涔嬪悗鐨勬姤鏂囨椂錛屽畠鎵鐪嬪埌鐨勮鎶ユ枃鐨勬簮鍦板潃錛堥氬父鏄疦AT璁懼鐨勫湴鍧錛夊拰婧愮鍙?br />3.鐩爣Tuple錛氭寚澶栭儴涓繪満鐨勫湴鍧銆佺鍙f墍鏋勬垚鐨勪簩鍏冪粍錛屽嵆鍐呴儴涓繪満鎵鍙戦佹姤鏂囩殑鐩爣鍦板潃銆佺鍙f墍鏋勬垚鐨勪簩鍏冪粍
璇︾粏閲婁箟
1. Full Cone NAT錛氭墍鏈夋潵鑷悓涓涓唴閮═uple X鐨勮姹傚潎琚玁AT杞崲鑷沖悓涓涓閮═uple Y錛岃屼笉綆¤繖浜涜姹傛槸涓嶆槸灞炰簬鍚屼竴涓簲鐢ㄦ垨鑰呮槸澶氫釜搴旂敤鐨勩傞櫎姝や箣澶栵紝褰揦-Y鐨勮漿鎹㈠叧緋誨緩绔嬩箣鍚庯紝浠繪剰澶栭儴涓繪満鍧囧彲闅忔椂灝哬涓殑鍦板潃鍜岀鍙d綔涓虹洰鏍囧湴鍧鍜岀洰鏍囩鍙o紝鍚戝唴閮ㄤ富鏈哄彂閫乁DP鎶ユ枃錛岀敱浜庡澶栭儴璇鋒眰鐨勬潵婧愭棤浠諱綍闄愬埗錛屽洜姝よ繖縐嶆柟寮忚櫧鐒惰凍澶熺畝鍗曪紝浣嗗嵈涓嶉偅涔堝畨鍏?br />
2. Restricted Cone NAT錛氬畠鏄疐ull Cone鐨勫彈闄愮増鏈細鎵鏈夋潵鑷悓涓涓唴閮═uple X鐨勮姹傚潎琚玁AT杞崲鑷沖悓涓涓閮═uple Y錛岃繖涓嶧ull Cone鐩稿悓錛屼絾涓嶅悓鐨勬槸錛屽彧鏈夊綋鍐呴儴涓繪満鏇劇粡鍙戦佽繃鎶ユ枃緇欏閮ㄤ富鏈猴紙鍋囪鍏禝P鍦板潃涓篫錛夊悗錛屽閮ㄤ富鏈烘墠鑳戒互Y涓殑淇℃伅浣滀負鐩爣鍦板潃鍜岀洰鏍囩鍙o紝鍚戝唴閮ㄤ富鏈哄彂閫乁DP璇鋒眰鎶ユ枃錛岃繖鎰忓懗鐫錛孨AT璁懼鍙悜鍐呰漿鍙戯紙鐩爣鍦板潃/绔彛杞崲錛夐偅浜涙潵鑷簬褰撳墠宸茬煡鐨勫閮ㄤ富鏈虹殑UDP鎶ユ枃錛屼粠鑰屼繚闅滀簡澶栭儴璇鋒眰鏉ユ簮鐨勫畨鍏ㄦ?br />
3. Port Restricted Cone NAT錛氬畠鏄疪estricted Cone NAT鐨勮繘涓姝ュ彈闄愮増銆傚彧鏈夊綋鍐呴儴涓繪満鏇劇粡鍙戦佽繃鎶ユ枃緇欏閮ㄤ富鏈猴紙鍋囪鍏禝P鍦板潃涓篫涓旂鍙d負P錛変箣鍚庯紝澶栭儴涓繪満鎵嶈兘浠涓殑淇℃伅浣滀負鐩爣鍦板潃鍜岀洰鏍囩鍙o紝鍚戝唴閮ㄤ富鏈哄彂閫乁DP鎶ユ枃錛屽悓鏃訛紝鍏惰姹傛姤鏂囩殑婧愮鍙e繀欏諱負P錛岃繖涓瑕佹眰榪涗竴姝ュ己鍖栦簡瀵瑰閮ㄦ姤鏂囪姹傛潵婧愮殑闄愬埗錛屼粠鑰岃緝Restrictd Cone鏇村叿瀹夊叏鎬?br />
4. Symmetric NAT錛氳繖鏄竴縐嶆瘮鎵鏈塁one NAT閮借鏇翠負鐏墊椿鐨勮漿鎹㈡柟寮忥細鍦–one NAT涓紝鍐呴儴涓繪満鐨勫唴閮═uple涓庡閮═uple鐨勮漿鎹㈡槧灝勫叧緋繪槸鐙珛浜庡唴閮ㄤ富鏈烘墍鍙戝嚭鐨刄DP鎶ユ枃涓殑鐩爣鍦板潃鍙婄鍙g殑錛屽嵆涓庣洰鏍嘥uple鏃犲叧錛涘湪Symmetric NAT涓紝鐩爣Tuple鍒欐垚涓轟簡NAT璁懼寤虹珛杞崲鍏崇郴鐨勪竴涓噸瑕佽冮噺錛氬彧鏈夋潵鑷簬鍚屼竴涓唴閮═uple 銆佷笖閽堝鍚屼竴鐩爣Tuple鐨勮姹傛墠琚玁AT杞崲鑷沖悓涓涓閮═uple錛屽惁鍒欑殑璇濓紝NAT灝嗕負涔嬪垎閰嶄竴涓柊鐨勫閮═uple錛涙墦涓瘮鏂癸紝褰撳唴閮ㄤ富鏈轟互鐩稿悓鐨勫唴閮═uple瀵?涓笉鍚岀殑鐩爣Tuple鍙戦乁DP鎶ユ枃鏃訛紝姝ゆ椂NAT灝嗕細涓哄唴閮ㄤ富鏈哄垎閰嶄袱涓笉鍚岀殑澶栭儴Tuple錛屽茍涓斿緩绔嬭搗涓や釜涓嶅悓鐨勫唴銆佸閮═uple杞崲鍏崇郴銆備笌姝ゅ悓鏃訛紝鍙湁鎺ユ敹鍒頒簡鍐呴儴涓繪満鎵鍙戦佺殑鏁版嵁鍖呯殑澶栭儴涓繪満鎵嶈兘鍚戝唴閮ㄤ富鏈鴻繑鍥濽DP鎶ユ枃錛岃繖閲屽澶栭儴榪斿洖鎶ユ枃鏉ユ簮鐨勯檺鍒舵槸涓嶱ort Restricted Cone涓鑷寸殑銆備笉闅劇湅鍑猴紝濡傛灉璇碏ull Cone鏄姹傛渶瀹芥澗NAT UDP杞崲鏂瑰紡錛岄偅涔堬紝Symmetric NAT鍒欐槸瑕佹眰鏈涓ユ牸鐨凬AT鏂瑰紡錛屽叾涓嶄粎浣撶幇鍦ㄨ漿鎹㈠叧緋葷殑寤虹珛涓婏紝鑰屼笖榪樹綋鐜板湪瀵瑰閮ㄦ姤鏂囨潵婧愮殑闄愬埗鏂歸潰銆?br />
鍙傝冿細UDP"鎵撴礊"鍘熺悊