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Nānā wau i kaʻu kaʻa: ʻike ʻo ia i nā mea āpau e pili ana iaʻu (Mac OS Catalina)

Nānā wau i kaʻu kaʻa: ʻike ʻo ia i nā mea āpau e pili ana iaʻu (Mac OS Catalina)kanaka me ka ʻeke pepa ma kona poʻo

I kēia lā, ma hope o ka hoʻonui ʻana iā Catalina mai 15.6 a i 15.7, ua hāʻule ka wikiwiki o ka Pūnaewele, ua hoʻouka nui kekahi mea i kaʻu pūnaewele, a ua hoʻoholo wau e nānā i ka hana pūnaewele.

Ua holo au i ka tcpdump no kekahi mau hola:

sudo tcpdump -k NP > ~/log

A ʻo ka mea mua i hopu i koʻu maka:

16:43:42.919443 () ARP, Request who-has 192.168.1.51 tell 192.168.1.1, length 28
16:43:42.927716 () ARP, Request who-has 192.168.1.52 tell 192.168.1.1, length 28
16:43:42.934112 () ARP, Request who-has 192.168.1.53 tell 192.168.1.1, length 28
16:43:42.942328 () ARP, Request who-has 192.168.1.54 tell 192.168.1.1, length 28
16:43:43.021971 () ARP, Request who-has 192.168.1.55 tell 192.168.1.1, length 28

No ke aha ʻo ia e pono ai i kaʻu pūnaewele kūloko holoʻokoʻa? ʻIke pau ʻole ia i kēlā me kēia minuke 192.168.1./255, ʻae, e ʻōlelo kākou he lawelawe polokalamu kele pūnaewele kēia.

(shadowserver.org) - hui palekana waiwai ʻole

16:43:33.518282 () IP scan-05l.shadowserver.org.33567 > 192.168.1.150.rsync: Flags [S], seq 1527048226, win 65535, options [mss 536], length 0

ʻO kekahi kīkēkē (scanner-12.ch1.censys-scanner.com -> censys.io):

16:44:16.254073 () IP scanner-12.ch1.censys-scanner.com.62651 > 192.168.1.150.8843: Flags [S], seq 1454862354, win 1024, options [mss 1460], length 0

ʻAe, ʻae, ʻaʻohe mea kūikawā: analytics, scanning the local network, well, ka mea maʻamau, akā pehea e pili ana i kēia:

16:15:56.603292 () IP 45.129.33.152.51777 > 192.168.1.150.jpegmpeg: Flags [S], seq 2349838714, win 1024, options [mss 536], length 0

Inā ʻoe e hele i kēia helu IP http://45.129.33.152, hiki iā ʻoe ke ʻike i kēia:

Nānā wau i kaʻu kaʻa: ʻike ʻo ia i nā mea āpau e pili ana iaʻu (Mac OS Catalina)Aia nā waihona kikokikona i nā miliona o nā helu IP me nā awa.

Nā mea i loko o ka waihona temp:

[?1h=[?25l[H[J[mtop - 21:17:26 up 31 days,  6:44,  1 use[m[39;49m[m[39;49m[K
Tasks:[m[39;49m[1m 144 [m[39;49mtotal,[m[39;49m[1m   1 [m[39;49mrunning,[m[39;49m[1m 143 [m[39;49msleep[m[39;49m[m[39;49m[K
%Cpu(s):[m[39;49m[1m  0.8 [m[39;49mus,[m[39;49m[1m  0.0 [m[39;49msy,[m[39;49m[1m  0.0 [m[39;49mni,[m[39;49m[1m 92.0[m[39;49m[m[39;49m[K
KiB Mem :[m[39;49m[1m 32681700 [m[39;49mtotal,[m[39;49m[1m 18410244 [m[39;49mfree,[m[39;49m[m[39;49m[K
KiB Swap:[m[39;49m[1m 16449532 [m[39;49mtotal,[m[39;49m[1m 16449288 [m[39;49mfree,[m[39;49m[m[39;49m[K
[K
[7m  PID USER      PR  NI    VIRT    RES [m[39;49m[K
[m    1 root      20   0  191072   3924 [m[39;49m[K
[m    2 root      20   0       0      0 [m[39;49m[K
[m    3 root      20   0       0      0 [m[39;49m[K
[m    5 root       0 -20       0      0 [m[39;49m[K
[m    7 root      rt   0       0      0 [m[39;49m[K
[m    8 root      20   0       0      0 [m[39;49m[K
[m    9 root      20   0       0      0 [m[39;49m[K
[m   10 root      rt   0       0      0 [m[39;49m[K
[m   11 root      rt   0       0      0 [m[39;49m[K
[m   12 root      rt   0       0      0 [m[39;49m[K
[m   13 root      20   0       0      0 [m[39;49m[K
[m   15 root       0 -20       0      0 [m[39;49m[K
[m   16 root      rt   0       0      0 [m[39;49m[K[H[mtop - 21:17:29 up 31 days,  6:44,  1 use[m[39;49m[m[39;49m[K

%Cpu(s):[m[39;49m[1m  0.0 [m[39;49mus,[m[39;49m[1m  0.0 [m[39;49msy,[m[39;49m[1m  0.0 [m[39;49mni,[m[39;49m[1m100.0[m[39;49m[m[39;49m[K
KiB Mem :[m[39;49m[1m 32681700 [m[39;49mtotal,[m[39;49m[1m 18409876 [m[39;49mfree,[m[39;49m[m[39;49m[K

[K

A ʻo ka hope, he pūʻulu o nā nīnau i ʻike ʻole ʻia:

16:16:07.022910 () IP 059148253194.ctinets.com.58703 > 192.168.1.150.4244: Flags [S], seq 2829545743, win 1024, options [mss 536], length 0
16:15:57.133836 () IP 45.129.33.2.55914 > 192.168.1.150.39686: Flags [S], seq 700814637, win 1024, options [mss 536], length 0
16:15:56.603292 () IP 45.129.33.152.51777 > 192.168.1.150.jpegmpeg: Flags [S], seq 2349838714, win 1024, options [mss 536], length 0
16:16:15.083755 () IP 45.129.33.154.55846 > 192.168.1.150.7063: Flags [S], seq 4079154719, win 1024, options [mss 536], length 0
16:15:43.251305 () IP 192.168.1.150.60314 > one.one.one.one.domain: 3798+ PTR? 237.171.154.149.in-addr.arpa. (46)
16:16:24.386628 () IP 45.141.84.30.50763 > 192.168.1.150.12158: Flags [S], seq 572523718, win 1024, options [mss 536], length 0
16:16:44.817035 () IP 92.63.197.66.58219 > 192.168.1.150.15077: Flags [S], seq 4012437618, win 1024, options [mss 536], length 0
16:15:43.172042 () IP 45.129.33.46.51641 > 192.168.1.150.bnetgame: Flags [S], seq 362771723, win 1024, options [mss 536], length 0
16:17:02.120063 () IP 45.129.33.23.42275 > 192.168.1.150.11556: Flags [S], seq 3354007029, win 1024, options [mss 536], length 0
16:16:00.589816 () IP 45.129.33.3.56005 > 192.168.1.150.40688: Flags [S], seq 2710391040, win 1024, options [mss 536], length 0

Inā hoʻopaʻa wau i kēia mau kikowaena a me nā helu IP i loko o ka faila hoʻokipa, a laila ma ka hoʻokuʻu ʻana aʻe e loaʻa nā subnets IP like, akā me nā helu hope ʻokoʻa, a hoʻololi nā subdomains o nā kāʻei.

ʻAʻole maopopo ʻo Mac i ka mask ma ka faila host *.example.com

ʻAʻole wau i noʻonoʻo pehea e nānā ai i nā ʻeke e hoʻoneʻe ʻia ana a me nā kaʻina hana a i ʻole nā ​​daemons e hana nei i kēia mau pilina (ua loaʻa iaʻu kahi Mac no kekahi mau lā), akā ua leʻaleʻa!

Source: www.habr.com