tcpstate配置文件

❶ 濡備綍閰嶇疆TCP/IP鍗忚灞炴у浘

銆銆鏂規硶濡備笅錛

銆銆1銆佺偣鍑誨紑濮嬶紝鐐瑰嚮榪愯岋紱

銆銆2銆佽緭鍏ncpa.cpl錛岀偣鍑葷『瀹氾紱

銆銆3銆佸彸鍑繪湰鍦拌繛鎺ワ紝鐐瑰嚮灞炴э紱

銆銆4銆佸弻鍑籭nternet鍗忚 tcp/ip v4錛

銆銆5銆佺偣鍑諱嬌鐢ㄤ笅闈㈢殑ip鍦板潃錛屼緷嬈¤緭鍏ip鍦板潃銆佸瓙緗戞帺鐮併侀粯璁ょ綉鍏沖拰dns鏈嶅姟鍣ㄥ湴鍧錛岀偣鍑葷『瀹氬嵆鍙銆

❷ tcp/ip鎵嬪姩閰嶇疆涓昏佹槸鍝鍥涗釜鍙傛暟

1銆乀CP/IP鍙傛暟璁劇疆錛氭柟娉1錛氫粠鈥滄帶鍒墮潰鏉庫濅腑璁劇疆錛1錛夊紑濮--璁劇疆--鎺у埗闈㈡澘--鍙屽嚮鈥滅綉緇溾濆浘鏍囷紝鍗曞嚮鈥濋厤緗鈥濓紝鍑虹幇濡傚浘1鎵紺虹殑紿楀彛銆傦紙2錛夊崟鍑燴淭CP/IP-銆夌綉鍗＄被鍨嬪悕鈥濓紝鍐嶅崟鍑燴滃睘鎬р濓紝鍑虹幇瀵硅瘽妗嗐
2銆佹垜浠鐜板湪鍦ㄥ鉤鏃朵嬌鐢ㄧ數鑴戞椂錛屾秹鍙婂埌鐨凾CP/IP鍗忚鐨勫弬鏁頒富瑕佹湁錛歍CP/IP鍦板潃銆佸瓙緗戞帺鐮併佺綉鍏熾丏NS銆
3銆佹寚瀹氭湰鏈虹殑IP鍦板潃鍙婂瓙緗戞帺鐮併佹寚瀹氱綉鍏沖拰鍩熷悕鏈嶅姟鍣ㄥ湴鍧銆傜綉緇滃眰寮曞叆浜咺P鍗忚錛屽埗瀹氫簡涓濂楁柊鍦板潃錛屼嬌寰楁垜浠鑳藉熷尯鍒嗕袱鍙頒富鏈烘槸鍚﹀悓灞炰竴涓緗戠粶錛岃繖濂楀湴鍧灝辨槸緗戠粶鍦板潃錛屼篃灝辨槸鎵璋撶殑IP鍦板潃銆
4銆両nternet鍗忚(TCP/IP)鐨勫弬鏁幫紝鍏堟彁鏉′歡浣犵殑緗戠粶鏄灞鍩熺綉錛屽剁敤鐨勭數淇ADSL鍜岀綉閫氭槸涓嶉渶瑕佽劇疆鐨勶紝浠栦滑鏄闈犳嫧鍙蜂笂緗戠殑銆
5銆侀厤緗闈欐乼cp/ip鍙傛暟鐨勬搷浣滀富瑕佸寘鎷涓変釜鏂歸潰鍒嗗埆涓烘寚瀹氭湰鏈虹殑IP鍦板潃鍙婂瓙緗戞帺鐮併佹寚瀹氱綉鍏沖拰鍩熷悕鏈嶅姟鍣ㄥ湴鍧銆俆CP/IP浼犺緭鍗忚鏄淇濊瘉緗戠粶鏁版嵁淇℃伅鍙婃椂銆佸畬鏁翠紶杈撶殑涓や釜閲嶈佺殑鍗忚銆

❸ linux閰嶇疆絝鍙linux閰嶇疆絝鍙

鎬庢牱寮鏀懼拰鍏抽棴絝鍙ｏ紵

涓銆佹煡鐪嬪摢浜涚鍙ｈ鎵撳紑netstat-anp浜屻佸叧闂絝鍙ｅ彿:iptables-AINPUT-ptcp--drop絝鍙ｅ彿-jDROPiptables-AOUTPUT-ptcp--dport絝鍙ｅ彿-jDROP涓夈佹墦寮絝鍙ｅ彿錛歩ptables-AINPUT-ptcp--dport絝鍙ｅ彿-jACCEPT鍥涖佷互涓嬫槸linux鎵撳紑絝鍙ｅ懡浠ょ殑浣跨敤鏂規硶銆俷c-lp23(鎵撳紑23絝鍙ｏ紝鍗硉elnet)netstat-an|grep23(鏌ョ湅鏄鍚︽墦寮23絝鍙)浜斻乴inux鎵撳紑絝鍙ｅ懡浠ゆ瘡涓涓鎵撳紑鐨勭鍙ｏ紝閮介渶瑕佹湁鐩稿簲鐨勭洃鍚紼嬪簭鎵嶅彲浠ラ傚悎鍏ラ棬鐨勫︿範閫斿緞錛岃烽槄璇匯奓inux灝辮ヨ繖涔堝︺

Linux鏈嶅姟鍣ㄥ備綍寮鏀劇鍙ｏ紝閰嶇疆闃茬伀澧欙紵

鎵撳紑閰嶇疆鏂囦歡

鍛戒護浠ｇ爜

#vi/etc/sysconfig/iptables

姝ｇ『鐨勯厤緗鏂囦歡

閰嶇疆浠ｇ爜

#-config-firewall

#.

*filter

:INPUTACCEPT

:FORWARDACCEPT

:OUTPUTACCEPT

-AINPUT-mstate_stateESTABLISHED,RELATED-jACCEPT

-AINPUT-picmp-jACCEPT

-AINPUT-ilo-jACCEPT

-AINPUT-mstate_stateNEW-mtcp-ptcp_dport22-jACCEPT

-AINPUT-mstate_stateNEW-mtcp-ptcp_dport80-jACCEPT

-AINPUT-jREJECT_reject-withicmp-host-prohibited

-AFORWARD-jREJECT_reject-withicmp-host-prohibited

COMMIT

閰嶇疆閫氶厤浠ｇ爜

-AINPUT-mstate_stateNEW-mtcp-ptcp_dport*-jACCEPT

娉ㄦ剰鐐癸細鏂板紑鏀劇殑絝鍙ｄ竴瀹氳佸湪絝鍙22鍚庨潰

閲嶅惎闃茬伀澧欎嬌閰嶇疆鐢熸晥

鍛戒護浠ｇ爜

#/etc/init.d/iptablesrestart

鍏跺畠

鏌ョ湅寮鏀劇鍙

鍛戒護浠ｇ爜

#/etc/init.d/iptablesstatus

鍏抽棴闃茬伀澧

鍛戒護浠ｇ爜

#/etc/init.d/iptablesstop

linux涓涓絝鍙ｅ彲浠ヨ繍琛屽嚑涓榪涚▼錛屾瘮濡傛垜鍚屾椂鎵撳紑2涓嫻忚堝櫒錛岄偅灞炰簬鍑犱釜絝鍙ｅ憿錛

姣忎釜絝鍙ｄ笂鍙浠ヨ繍琛岃稿氫釜榪涚▼錛屾瘡涓榪涚▼閮藉彲浠ヨ皟鐢ㄥ悓涓涓絝鍙ｏ紝浣嗘槸褰撴湁涓涓榪涚▼鍦ㄥ崰鐢ㄨョ鍙ｆ椂錛屽叾浠栬繘紼嬩細絳夊緟錛岀瓑鍓嶄竴涓榪涚▼閲婃斁璇ョ鍙ｅ悗鎵嶅彲浠ョ敱涓嬩竴涓榪涚▼璋冪敤銆

linux緋葷粺涓鎬庝箞紱佺敤絝鍙ｏ紵

1銆佺鍙ｄ竴鑸瀵瑰簲浜庣浉搴旂殑緗戠粶鏈嶅姟紼嬪簭錛岃佺佺敤絝鍙ｏ紝鍙浠ュ厛鏌ョ湅絝鍙ｆ墍瀵瑰簲鐨勬湇鍔°傜劧鍚庡皢鏈嶅姟鍏抽棴銆俷etstat-antup

2銆佷篃鍙浠ラ氳繃iptables灝嗗叾紱佺敤錛屼互8080絝鍙ｄ負渚嬶紝鎵ц屽備笅鍛戒護錛歩ptables-AINPUT-ptcp--dport8080-jDROPiptables-AINPUT-ptcp--sport8080-jDROPiptables-AINPUT-pudp--dport8080-jDROPiptables-AINPUT-pudp--sport8080-jDROP

linuxwiki鎬庝箞鍚鐢8080絝鍙ｏ紵

/sbin/iptables?-I?INPUT?-p?tcp?--dport?8080?-j?ACCEPT????#寮鍚8080絝鍙/etc/rc.d/init.d/iptables?save???????????????????????????#淇濆瓨闃茬伀澧欑殑鏇存敼