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2006/11/23
新浪的低劣水平爬虫还是新浪被人黑了?
最近几天uuzone经常由于一些异常的访问导致系统反应迟钝甚至失去响应, 几次检查下来都发现是来自219.142.78.*网段的异常访问, 其表现形式为短时间内发起大量的访问, (并发1000次以上的访问), 目前我们的系统的装备只能承受并发450个访问(即将升级到600个),加上正常的访问系统的装备就承受不了了。
这个219.142.78.* 网段的IP属于中国电信北京,但实际可能是Sina使用的(http://219.142.78.20)。通过在google上search可以发现这个IP地址有些臭名昭著, 别人也曾经抱怨其疑似攻击。
另外从log中可以看到一些类似的网段是sina的iaskspider: "iaskspider" 219.142.78. 210. 进一步可以看到这些地址应该是sina的。
<script> status = "Getting WHOIS results...";</script> WHOIS results for 219.142.78.*
Generated by www.DNSstuff.com
Location: China [City: Beijing, Guangdong]
ARIN says that this IP belongs to APNIC; I'm looking it up there.
<script> status = "Looking up at APNIC..."; </script>Using 30+ day old [STALE - being deleted now] cached answer (or, you can get fresh results).
Hiding E-mail address (you can get results with the E-mail address).
% [whois.apnic.net node-1]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
inetnum: 219.141.128.0 - 219.143.255.255
netname: CHINATELECOM-BJ
country: CN
descr: CHINANET beijing province network
descr: China Telecom
descr: No.31,jingrong street
descr: Beijing 100032
admin-c: CH93-AP
tech-c: HC55-AP
status: ALLOCATED NON-PORTABLE
changed: ******@chinatelecom.com.cn 20050420
mnt-by: MAINT-CHINANET
source: APNIC
person: Chinanet Hostmaster
nic-hdl: CH93-AP
e-mail: *********@ns.chinanet.cn.net
address: No.31 ,jingrong street,beijing
address: 100032
phone: +86-10-58501724
fax-no: +86-10-58501724
country: CN
changed: *****@chinatelecom.com.cn 20051212
mnt-by: MAINT-CHINANET
source: APNIC
person: Hostmaster of Beijing Telecom corporation CHINA TELECOM
nic-hdl: HC55-AP
e-mail: *****@bjtelecom.net
address: Beijing Telecom
address: No. 107 XiDan Beidajie, Xicheng District Beijing
phone: +86-010-58503461
fax-no: +86-010-58503054
country: cn
changed: *****@bjtelecom.net 20040115
mnt-by: MAINT-CHINATELECOM-BJ
source: APNIC
那么是新浪写了一个低劣水平爬虫呢? 还是新浪的一些server被人黑了在当肉鸡?
明天只好屏蔽这个网段了.
如果有知情的朋友或者高手可以帮助指点一下. 谢谢.
老冒
发表于
2006-11-23 23:37
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