217.320traceroute
traceroute 时间:2021-05-17 阅读:()
AcuriouscaseofbrokenDNSresponsesBabakFarrokhiRIPE75AboutmeUnixSA(FreeBSD,Solaris,Linux)since1996IPNetworkingsince1997FreeBSDPortsTeamsince2004Enthusiasticcoder@farrokhiPrologueWhenitcomestonetwork,IalwayshavetrustissuesMostpeopleignorethosestrangenetworkbehaviorsOnlyafewpeopletaketheredpillandgodowntherabbithole.
.
.
ObservationOutgoingSMTPfailsduetoMXlookupfailuresonlycertaindomains(e.
g.
twitter.
com)Localresolverreturns"incorrect"responsePublicResolver(e.
g.
Google)alsoreturnedincorrectresponseIneededtolookdeeperintothisDowntherabbithole.
.
.
StrangeresponsesfrompublicresolversThisisnotwhatIexpectedtogetfromapublicresolver:%dig+short-tAtwitter.
com@8.
8.
8.
810.
10.
34.
34%dig+short-tAripe.
net@8.
8.
8.
8193.
0.
6.
139%dig-tMXtwitter.
com@8.
8.
8.
8;;Gotbadpacket:badlabeltype45bytes40108180000100010000000007747769twi7474657203636f6d00000c0001c00c00tter.
com.
.
.
.
.
.
.
.
0c000100000379000341414100.
.
.
.
.
.
y.
.
AAA.
NeedtotakeacloserlookNotobviousatfirstglance,buttimedeltaisstrange.
.
.
%tcpdump-ttt-c2-nqrripe.
pcapreadingfromPCAP-NGfileripe.
pcap00:00:00.
000000IP192.
168.
0.
132.
53425>8.
8.
8.
8.
53:UDP,length2700:00:00.
138933IP8.
8.
8.
8.
53>192.
168.
0.
132.
53425:UDP,length75%tcpdump-ttt-c2-nqrtwitter.
pcapreadingfromPCAP-NGfiletwitter.
pcap00:00:00.
000000IP192.
168.
0.
132.
58418>8.
8.
8.
8.
53:UDP,length2900:00:00.
028077IP8.
8.
8.
8.
53>192.
168.
0.
132.
58418:UDP,length45dnsping-AnewtoolisbornStartedasahumblePythonscripttosolvemyownproblemNotintendedtore-inventthewheelSimilaruserexperienceasthelegacyPING%.
/dnsping.
py-s8.
8.
8.
8-c3ripe.
netdnsping.
pyDNS:8.
8.
8.
8:53,hostname:ripe.
net,rdatatype:A32bytesfrom8.
8.
8.
8:seq=0time=200.
371ms32bytesfrom8.
8.
8.
8:seq=1time=217.
320ms32bytesfrom8.
8.
8.
8:seq=2time=236.
644ms---8.
8.
8.
8dnspingstatistics---3requeststransmitted,3responsesreceived,0%lostmin=200.
371ms,avg=218.
112ms,max=236.
644ms,stddev=18.
149msICMPvsDNSResponseTimes%ping-q-c108.
8.
8.
8PING8.
8.
8.
8(8.
8.
8.
8):56databytes---8.
8.
8.
8pingstatistics---10packetstransmitted,10packetsreceived,0.
0%packetlossround-tripmin/avg/max/stddev=124.
237/155.
044/227.
499/31.
464ms%.
/dnsping.
py-q-s8.
8.
8.
8-c3twitter.
comdnsping.
pyDNS:8.
8.
8.
8:53,hostname:twitter.
com,rdatatype:A---8.
8.
8.
8dnspingstatistics---3requeststransmitted,3responsesreceived,0%lostmin=12.
934ms,avg=21.
355ms,max=29.
425ms,stddev=8.
251msFirstanomalyDifferentdomainnamesbeingtreateddifferentlyAroguenameserverimpersonatingasGoogleResolverTheroguenameserverisclosetome(givenresponsetimes)WhereisitAndhowcanIfindoutdnstraceroute:TraceroutetoolforDNSprotocolSimilartolegacytraceroute,butforDNSprotocolSendoutactualDNSqueriesandexpectaresponseUsingTTLtricktomapthejourneyCouldnotuselegacytraceroutewithUDPprobesThetrafficredirectionisbasedonDNS"payload"RealvsRogueDNSServers%.
/dnstraceroute.
py-s8.
8.
8.
8ripe.
netdnstraceroute.
pyDNS:8.
8.
8.
8:53,hostname:ripe.
net,rdatatype:A1192.
168.
0.
1(192.
168.
0.
1)3.
912ms2*3192.
168.
10.
105(192.
168.
10.
105)15.
792ms4172.
17.
2.
1(172.
17.
2.
1)17.
063ms5172.
17.
2.
9(172.
17.
2.
9)11.
245ms6172.
19.
18.
5(172.
19.
18.
5)24.
862ms7172.
19.
17.
2(172.
19.
17.
2)18.
972ms810.
201.
177.
41(10.
201.
177.
41)13.
261ms910.
10.
53.
190(10.
10.
53.
190)14.
240ms10185.
100.
209.
117(185.
100.
209.
117)176.
592ms11*12de-cix.
fra.
google.
com(80.
81.
192.
108)152.
757ms13108.
170.
251.
193(108.
170.
251.
193)90.
347ms14google-public-dns-a.
google.
com(8.
8.
8.
8)185.
401ms%.
/dnstraceroute.
py-s8.
8.
8.
8twitter.
comdnstraceroute.
pyDNS:8.
8.
8.
8:53,hostname:twitter.
com,rdatatype:A1192.
168.
0.
1(192.
168.
0.
1)3.
160ms2*3192.
168.
10.
105(192.
168.
10.
105)5.
985ms4172.
17.
2.
1(172.
17.
2.
1)8.
535ms5172.
17.
2.
9(172.
17.
2.
9)20.
617ms6172.
19.
18.
5(172.
19.
18.
5)7.
823ms7*8*9google-public-dns-a.
google.
com(8.
8.
8.
8)19.
557msBacktothecaseofbrokenMXRoguenameserveralsoreturns"broken"responsesOnlytocertaintypeofqueries(e.
g.
MX)%dig-tMXtwitter.
com@8.
8.
8.
8;;Gotbadpacket:badlabeltype45bytes40108180000100010000000007747769twi7474657203636f6d00000c0001c00c00tter.
com.
.
.
.
.
.
.
.
0c000100000379000341414100.
.
.
.
.
.
y.
.
AAA.
Lookingatpacketsagain.
.
.
ResponsetoMXrequestismalformedServerrespondedwithPTRresponseRDLENGTHis3butRDATAfieldcontains4bytesAdditionalbytewasalwaysNULLSeemslikeabugincodeQueriedtop10,000domainnames[1],received139brokenresponses[2]UncoveringtherougeresolveraddressQueryTXTrecordfrommaxmind.
test-ipv6.
comIttellsyouthepublicaddressofyourresolverTheaddressshouldbelongtoGoogle(AS15169)AnythingelsemeansMITMUsingRIPEAtlastoseeifthisisaregularpractice%dig+short-tTXTmaxmind.
test-ipv6.
com@8.
8.
4.
4"ip='74.
125.
74.
14'as='15169'isp='Google'country='FI'"IsitjustmeLet'saskRIPEAtlas500Probesworldwide-484Replied(DNS/UDP/IPv4)475Good(Req.
fromGoogleaddressspace)~98%9Bad(Req.
fromnon-Googleaddressspace)~2%Same500probes-484Replied(DNS/TCP/IPv4)479Good~99%5Bad~1%ThelogicbehindDNStrafficredirectionWhatisthemotivationTherearemainlytworeasons:1.
Privacyprotection(TheGood)Preventsendingrequesttousehaveyourend-pointIPaddressasitssourceaddressFilteroutmalwareslookingfortheirC&C2.
DNSbasedserviceredirection(TheEvil)RestrictyouraccessRedirectyourtrafficCountermeasuresForcelocalresolvertouseTCPDNSCrypt(dnscrypt.
org)OpenDNSsupportsit,desktopclientsavailableDNSoverTLS/DTLS(RFC7858and8094)DNSPrivacyProject(dnsprivacy.
org)offerstutorials,tools,recommendationsandtestserversDNSSECFromtop100domainnamesonly2ofthemaresigned[3]WhatiftheroguenameserverdoesnotvalidateDNSSECFinalwordsDon'ttrustapublicDNSresolver,useyourownThereain'tnosuchthingasafreelunch(TANSTAAFL)Stubresolversareeasytosetupanduse(e.
g.
Stubby)Don'ttrustyourupstream,encryptasmuchaspossibleDNScontainsimportantinformationAsperRFC7258:"PervasiveMonitoringIsanAttack"Toolsofthetradednsping,dnstracerouteanddnsevalarepartof"dnsdiagtoolkit"onGitHub[4]LookingforfeedbackandideasfromcommunityCombiningwithothertools(e.
g.
RIPEAtlas)toperformmorecomplexbehavioranalysisSuggestion:dnstracerouteinRIPEAtlasprobesQuestionsResources[1]https://github.
com/opendns/public-domain-lists[2]https://gist.
github.
com/farrokhi/0b56ae06813391be9164[3]https://gist.
github.
com/farrokhi/1d9de9df5877aaf9c42fc14412a4b0f8[4]https://github.
com/farrokhi/dnsdiagAlsomyarticlesonRIPELabsdiscussionthesameissue:https://labs.
ripe.
net/Members/babak_farrokhi
.
.
ObservationOutgoingSMTPfailsduetoMXlookupfailuresonlycertaindomains(e.
g.
twitter.
com)Localresolverreturns"incorrect"responsePublicResolver(e.
g.
Google)alsoreturnedincorrectresponseIneededtolookdeeperintothisDowntherabbithole.
.
.
StrangeresponsesfrompublicresolversThisisnotwhatIexpectedtogetfromapublicresolver:%dig+short-tAtwitter.
com@8.
8.
8.
810.
10.
34.
34%dig+short-tAripe.
net@8.
8.
8.
8193.
0.
6.
139%dig-tMXtwitter.
com@8.
8.
8.
8;;Gotbadpacket:badlabeltype45bytes40108180000100010000000007747769twi7474657203636f6d00000c0001c00c00tter.
com.
.
.
.
.
.
.
.
0c000100000379000341414100.
.
.
.
.
.
y.
.
AAA.
NeedtotakeacloserlookNotobviousatfirstglance,buttimedeltaisstrange.
.
.
%tcpdump-ttt-c2-nqrripe.
pcapreadingfromPCAP-NGfileripe.
pcap00:00:00.
000000IP192.
168.
0.
132.
53425>8.
8.
8.
8.
53:UDP,length2700:00:00.
138933IP8.
8.
8.
8.
53>192.
168.
0.
132.
53425:UDP,length75%tcpdump-ttt-c2-nqrtwitter.
pcapreadingfromPCAP-NGfiletwitter.
pcap00:00:00.
000000IP192.
168.
0.
132.
58418>8.
8.
8.
8.
53:UDP,length2900:00:00.
028077IP8.
8.
8.
8.
53>192.
168.
0.
132.
58418:UDP,length45dnsping-AnewtoolisbornStartedasahumblePythonscripttosolvemyownproblemNotintendedtore-inventthewheelSimilaruserexperienceasthelegacyPING%.
/dnsping.
py-s8.
8.
8.
8-c3ripe.
netdnsping.
pyDNS:8.
8.
8.
8:53,hostname:ripe.
net,rdatatype:A32bytesfrom8.
8.
8.
8:seq=0time=200.
371ms32bytesfrom8.
8.
8.
8:seq=1time=217.
320ms32bytesfrom8.
8.
8.
8:seq=2time=236.
644ms---8.
8.
8.
8dnspingstatistics---3requeststransmitted,3responsesreceived,0%lostmin=200.
371ms,avg=218.
112ms,max=236.
644ms,stddev=18.
149msICMPvsDNSResponseTimes%ping-q-c108.
8.
8.
8PING8.
8.
8.
8(8.
8.
8.
8):56databytes---8.
8.
8.
8pingstatistics---10packetstransmitted,10packetsreceived,0.
0%packetlossround-tripmin/avg/max/stddev=124.
237/155.
044/227.
499/31.
464ms%.
/dnsping.
py-q-s8.
8.
8.
8-c3twitter.
comdnsping.
pyDNS:8.
8.
8.
8:53,hostname:twitter.
com,rdatatype:A---8.
8.
8.
8dnspingstatistics---3requeststransmitted,3responsesreceived,0%lostmin=12.
934ms,avg=21.
355ms,max=29.
425ms,stddev=8.
251msFirstanomalyDifferentdomainnamesbeingtreateddifferentlyAroguenameserverimpersonatingasGoogleResolverTheroguenameserverisclosetome(givenresponsetimes)WhereisitAndhowcanIfindoutdnstraceroute:TraceroutetoolforDNSprotocolSimilartolegacytraceroute,butforDNSprotocolSendoutactualDNSqueriesandexpectaresponseUsingTTLtricktomapthejourneyCouldnotuselegacytraceroutewithUDPprobesThetrafficredirectionisbasedonDNS"payload"RealvsRogueDNSServers%.
/dnstraceroute.
py-s8.
8.
8.
8ripe.
netdnstraceroute.
pyDNS:8.
8.
8.
8:53,hostname:ripe.
net,rdatatype:A1192.
168.
0.
1(192.
168.
0.
1)3.
912ms2*3192.
168.
10.
105(192.
168.
10.
105)15.
792ms4172.
17.
2.
1(172.
17.
2.
1)17.
063ms5172.
17.
2.
9(172.
17.
2.
9)11.
245ms6172.
19.
18.
5(172.
19.
18.
5)24.
862ms7172.
19.
17.
2(172.
19.
17.
2)18.
972ms810.
201.
177.
41(10.
201.
177.
41)13.
261ms910.
10.
53.
190(10.
10.
53.
190)14.
240ms10185.
100.
209.
117(185.
100.
209.
117)176.
592ms11*12de-cix.
fra.
google.
com(80.
81.
192.
108)152.
757ms13108.
170.
251.
193(108.
170.
251.
193)90.
347ms14google-public-dns-a.
google.
com(8.
8.
8.
8)185.
401ms%.
/dnstraceroute.
py-s8.
8.
8.
8twitter.
comdnstraceroute.
pyDNS:8.
8.
8.
8:53,hostname:twitter.
com,rdatatype:A1192.
168.
0.
1(192.
168.
0.
1)3.
160ms2*3192.
168.
10.
105(192.
168.
10.
105)5.
985ms4172.
17.
2.
1(172.
17.
2.
1)8.
535ms5172.
17.
2.
9(172.
17.
2.
9)20.
617ms6172.
19.
18.
5(172.
19.
18.
5)7.
823ms7*8*9google-public-dns-a.
google.
com(8.
8.
8.
8)19.
557msBacktothecaseofbrokenMXRoguenameserveralsoreturns"broken"responsesOnlytocertaintypeofqueries(e.
g.
MX)%dig-tMXtwitter.
com@8.
8.
8.
8;;Gotbadpacket:badlabeltype45bytes40108180000100010000000007747769twi7474657203636f6d00000c0001c00c00tter.
com.
.
.
.
.
.
.
.
0c000100000379000341414100.
.
.
.
.
.
y.
.
AAA.
Lookingatpacketsagain.
.
.
ResponsetoMXrequestismalformedServerrespondedwithPTRresponseRDLENGTHis3butRDATAfieldcontains4bytesAdditionalbytewasalwaysNULLSeemslikeabugincodeQueriedtop10,000domainnames[1],received139brokenresponses[2]UncoveringtherougeresolveraddressQueryTXTrecordfrommaxmind.
test-ipv6.
comIttellsyouthepublicaddressofyourresolverTheaddressshouldbelongtoGoogle(AS15169)AnythingelsemeansMITMUsingRIPEAtlastoseeifthisisaregularpractice%dig+short-tTXTmaxmind.
test-ipv6.
com@8.
8.
4.
4"ip='74.
125.
74.
14'as='15169'isp='Google'country='FI'"IsitjustmeLet'saskRIPEAtlas500Probesworldwide-484Replied(DNS/UDP/IPv4)475Good(Req.
fromGoogleaddressspace)~98%9Bad(Req.
fromnon-Googleaddressspace)~2%Same500probes-484Replied(DNS/TCP/IPv4)479Good~99%5Bad~1%ThelogicbehindDNStrafficredirectionWhatisthemotivationTherearemainlytworeasons:1.
Privacyprotection(TheGood)Preventsendingrequesttousehaveyourend-pointIPaddressasitssourceaddressFilteroutmalwareslookingfortheirC&C2.
DNSbasedserviceredirection(TheEvil)RestrictyouraccessRedirectyourtrafficCountermeasuresForcelocalresolvertouseTCPDNSCrypt(dnscrypt.
org)OpenDNSsupportsit,desktopclientsavailableDNSoverTLS/DTLS(RFC7858and8094)DNSPrivacyProject(dnsprivacy.
org)offerstutorials,tools,recommendationsandtestserversDNSSECFromtop100domainnamesonly2ofthemaresigned[3]WhatiftheroguenameserverdoesnotvalidateDNSSECFinalwordsDon'ttrustapublicDNSresolver,useyourownThereain'tnosuchthingasafreelunch(TANSTAAFL)Stubresolversareeasytosetupanduse(e.
g.
Stubby)Don'ttrustyourupstream,encryptasmuchaspossibleDNScontainsimportantinformationAsperRFC7258:"PervasiveMonitoringIsanAttack"Toolsofthetradednsping,dnstracerouteanddnsevalarepartof"dnsdiagtoolkit"onGitHub[4]LookingforfeedbackandideasfromcommunityCombiningwithothertools(e.
g.
RIPEAtlas)toperformmorecomplexbehavioranalysisSuggestion:dnstracerouteinRIPEAtlasprobesQuestionsResources[1]https://github.
com/opendns/public-domain-lists[2]https://gist.
github.
com/farrokhi/0b56ae06813391be9164[3]https://gist.
github.
com/farrokhi/1d9de9df5877aaf9c42fc14412a4b0f8[4]https://github.
com/farrokhi/dnsdiagAlsomyarticlesonRIPELabsdiscussionthesameissue:https://labs.
ripe.
net/Members/babak_farrokhi
- 217.320traceroute相关文档
- http://www.wand.net.nz/scamper/
- 路由器traceroute
- 邻居traceroute
- colorizationtraceroute
- 呼叫traceroute
- 报文traceroute
妮妮云（119元/季）日本CN2 2核2G 30M 119元/季
妮妮云的知名度应该也不用多介绍了，妮妮云旗下的云产品提供商，相比起他家其他的产品，云产品还是非常良心的，经常出了一些优惠活动，前段时间的八折活动推出了很多优质产品，近期商家秒杀活动又上线了，秒杀产品比较全面，除了ECS和轻量云，还有一些免费空间、增值代购、云数据库等，如果你是刚入行安稳做站的朋友，可以先入手一个119/元季付的ECS来起步，非常稳定。官网地址：www.niniyun.com活动专区...
2021年恒创科技618活动：香港/美国服务器/云服务器/高防全场3折抢购
2021年恒创科技618活动香港美国服务器/云服务器/高防全场3折抢购，老客户续费送时长，每日限量秒杀。云服务器每款限量抢购，香港美国独服/高防每款限量5台/天，香港节点是CN2线路还不错。福利一：爆品秒杀 超低价秒杀，秒完即止；福利二：云服务器 火爆机型 3折疯抢；福利三：物理服务器 爆款直降 800元/月起；福利四：DDOS防护 超强防御仅 1750元/月。点击进入：2021年恒创科技618活...
JUSTG（5.99美元/月）最新5折优惠，KVM虚拟虚拟512Mkvm路线
Justg是一家俄罗斯VPS云服务器提供商，主要提供南非地区的VPS服务器产品，CN2高质量线路网络，100Mbps带宽，自带一个IPv4和8个IPv6，线路质量还不错，主要是用户较少，带宽使用率不高，比较空闲，不拥挤，比较适合面向非洲、欧美的用户业务需求，也适合追求速度快又需要冷门的朋友。justg的俄罗斯VPS云服务器位于莫斯科机房，到美国和中国速度都非常不错，到欧洲的平均延迟时间为40毫秒，...
traceroute为你推荐
-
面板win10万联集成吊顶软件(三维版)竞赛winrar5单击mediatracerouteTRACEROUTE的作用是什么ipad连不上wifiiPad mini WiFi开关成灰色无法连接，怎么办css下拉菜单css下拉菜单代码itunes备份怎么使用iTunes备份tcpip上的netbios禁用tcp/ip上的netbios对网络应用软件的正常运行有没有影响？x-routerx-0.4x等于多少?