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¥[¤J¤é´Á: Mar 2003
±zªº¦í§}: ¤Ñ¤W¤H¶¡
¤å³¹: 449
°Ý­Ó SSH ¦w¥þºÞ²z°ÝÃD
¤U­±¬O§Úªº SSH log ¸ê®Æ
Users logging in through sshd:
root:
1.2.3.4 (1-2-3-4.HINET-IP.hinet.net): 10 times
2.2.3.4: 4 times
10.10.10.6 (PC): 1 time
3.2.3.4 (company.com.tw): 1 time

Refused incoming connections:
119.10.27.233 (119.10.27.233): 1 Time(s)
122.225.109.103 (122.225.109.103): 3 Time(s)
122.225.109.117 (122.225.109.117): 3 Time(s)
122.225.109.122 (122.225.109.122): 3 Time(s)
122.225.109.123 (122.225.109.123): 3 Time(s)
122.225.109.203 (122.225.109.203): 3 Time(s)
122.225.109.205 (122.225.109.205): 3 Time(s)
122.225.109.218 (122.225.109.218): 3 Time(s)
122.225.109.220 (122.225.109.220): 3 Time(s)
183.110.253.233 (183.110.253.233): 1 Time(s)
200.9.104.42 (200.9.104.42): 1 Time(s)
211.138.30.174 (211.138.30.174): 1 Time(s)
219.136.249.247 (219.136.249.247): 2 Time(s)
221.133.0.17 (221.133.0.17): 3 Time(s)
223.4.82.17 (223.4.82.17): 1 Time(s)
61.174.50.163 (61.174.50.163): 3 Time(s)
61.174.50.165 (61.174.50.165): 3 Time(s)
61.174.50.213 (61.174.50.213): 3 Time(s)
61.174.50.225 (61.174.50.225): 3 Time(s)
61.174.50.235 (61.174.50.235): 3 Time(s)
61.174.51.214 (61.174.51.214): 3 Time(s)
61.174.51.215 (61.174.51.215): 3 Time(s)

SFTP subsystem requests: 11 Time(s)

---------------------- SSHD End -------------------------
1.2.3.4~3.2.3.4 & 10.10.10.6 ³£¬O§Ú deny °£¥~ªºIP¡A©Ò¥H¥i¥H¥Î SSH µn¿ý¡A¦ý¬O¤U­±³Q Refusedªº IP¡A®Ú¥»¤£¦b§Ú denyªº¤¹³\½d³ò¤¤¡A«ç»ò·|ÁÙ¦³¤H¥i¥H´ú¤T¦¸¡C

Ãø¹D¦³¯S§Oªº«Ê¥]¥i¥H±NIPÅܧó¬°deny ³W«hùØ­±¤¹³\ªºIP¶Ü? ¨º¥¦¤S«ç»òª¾¹D§Údeny³WùØ­±ªºIP¬O³]¤°»ò?

P.S.¥u¯à´ú¤T¦¸ªº­ì¦]¬O§Ú¦w¸Ë¤Ffail2ban¡A³]©w¥u¯à´ú¤T¦¸¡A¶W¹L¤T¦¸´N§â¥¦ban±¼¡C
§Ú¦³¸Õ¹L denyªº³W«h¡A½T»{¹L«D¤¹³\ªºIP¬OµLªkµn¿ýSSH¡A¦Óallow §Ú¨S¦³³]©w¥ô¦ó³W«h¡C
     
      

¦¹¤å³¹©ó 2014-10-03 08:33 AM ³Q ÀH­·¯B¶³ ½s¿è.
ÂÂ 2014-10-03, 08:31 AM #121
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Jiun Yu
Junior Member
 

¥[¤J¤é´Á: Jun 2012
¤å³¹: 733
­è¸Õ¤F¤@¤U¡A§Úªºµ§¹q IP ¬° 192.168.1.34/24¡ALinux ¥D¾÷ IP ¬° 192.168.1.1/24

/etc/hosts.allow(deny) ³o¨â­ÓÀɮ׸ÌÀY­ì¥»³£¨S³W«h¡A±µµÛ§Ú§â¥H¤U³o¦æ¥[¨ì /etc/hosts.deny ¨Ã±N§Úªºµ§¹qªº IP §ï¬° 192.168.1.35
¥N½X:
sshd: ALL EXCEPT 192.168.1.34

µM«á¶}¨â¦¸ Putty ¹Á¸Õ³s±µ¨ì Linux ¥D¾÷¡A¨â¦¸³£ timeout ¤]¨S¥X²{ login µe­±¡A±µµÛ§âµ§¹q IP §ï¦^ 192.168.1.34 ¨Ã³s¤W Linux ¥D¾÷¬Ý log
¥N½X:
[jiunyu:~] $ sudo logwatch --detail low --service sshd --range today

 ################### Logwatch 7.4.0 (05/02/12) ####################
        Processing Initiated: Fri Oct  3 11:43:15 2014
        Date Range Processed: today
                              ( 2014-Oct-03 )
                              Period is day.
        Detail Level of Output: 0
        Type of Output/Format: stdout / text
        Logfiles for Host: EPC
 ##################################################################

 --------------------- SSHD Begin ------------------------

 Users logging in through sshd:
    jiunyu:
       192.168.1.34: 3 times

 Refused incoming connections:
       192.168.1.35 (192.168.1.35): 2 Time(s)
 ---------------------- SSHD End -------------------------


 ###################### Logwatch End #########################

¥i¥H¬Ý¨ì³Q¾×¤U¨Óªº¨º¨â¦¸¤]¥X²{¦b log ¸Ì¡A©Ò¥HÀ³¸Ó¬O logwatch ·|§â³Q¾×¤U¨Óªº¤]¤@¨Ö¦C¥X¨Ó¡A«Ê¥]¨Ã¨S¦³³q¹L tcp wrapper ¶]¨ì sshd ¨º¸Ì
 
ÂÂ 2014-10-03, 11:58 AM #122
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Jiun YuÂ÷½u¤¤  
tvirus
Golden Member
 
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¥[¤J¤é´Á: Jan 2003
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ÂÂ 2014-10-03, 06:25 PM #123
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AndyCandy
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¥[¤J¤é´Á: May 2005
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ÂÂ 2014-10-13, 12:26 PM #124
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bird2005
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