29 NMAP komandu praktiski piemēri Linux sistēmas/tīkla administratoriem
Nmap aka Network Mapper ir atvērtā koda un ļoti daudzpusīgs rīks Linux sistēmas/tīkla administratoriem. Nmap tiek izmantots tīklu izpētei, drošības skenēšanai, tīkla auditam un atvērtu portu atrašanai uz attālās mašīnas. Tas skenē tiešraides resursdatorus, operētājsistēmas, pakešu filtrus un atvērtos portus, kas darbojas attālajos resursdatoros.
Es apskatīšu lielāko daļu NMAP lietošanas divās dažādās daļās, un šī ir pirmā nopietnā nmap daļa. Šajā iestatījumā esmu izmantojis divus serverus bez ugunsmūra, lai pārbaudītu Nmap komandas darbību.
- 192.168.0.100 - server1.linux-console.net
- 192.168.0.101 - server2.linux-console.net
# nmap [Scan Type(s)] [Options] {target specification}
Kā instalēt NMAP Linux
Lielākā daļa mūsdienu Linux izplatīšanas veidu, piemēram, Red Hat, CentOS, Fedoro, Debian un Ubuntu, ir iekļāvuši Nmap noklusējuma pakotņu pārvaldības krātuvēs ar nosaukumu APT. Abi rīki tiek izmantoti programmatūras pakotņu un atjauninājumu instalēšanai un pārvaldībai. Lai instalētu Nmap izplatīšanā, izmantojiet šo komandu.
# yum install nmap [on Red Hat based systems] $ sudo apt-get install nmap [on Debian based systems]
Kad esat instalējis jaunāko nmap lietojumprogrammu, varat izpildīt šajā rakstā sniegtos norādījumus.
1. Skenējiet sistēmu ar resursdatora nosaukumu un IP adresi
Rīks Nmap piedāvā dažādas metodes sistēmas skenēšanai. Šajā piemērā es veicu skenēšanu, izmantojot resursdatora nosaukumu kā server2.linux-console.net, lai uzzinātu visas sistēmā atvērtās ostas, pakalpojumus un MAC adresi.
nmap server2.linux-console.net Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 15:42 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 957/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.415 seconds You have new mail in /var/spool/mail/root
nmap 192.168.0.101 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-18 11:04 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 958/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.465 seconds You have new mail in /var/spool/mail/root
2. Skenējiet, izmantojot opciju “-v”
Jūs varat redzēt, ka zemāk esošā komanda ar opciju “-v” sniedz detalizētāku informāciju par attālo mašīnu.
nmap -v server2.linux-console.net Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 15:43 EST Initiating ARP Ping Scan against 192.168.0.101 [1 port] at 15:43 The ARP Ping Scan took 0.01s to scan 1 total hosts. Initiating SYN Stealth Scan against server2.linux-console.net (192.168.0.101) [1680 ports] at 15:43 Discovered open port 22/tcp on 192.168.0.101 Discovered open port 80/tcp on 192.168.0.101 Discovered open port 8888/tcp on 192.168.0.101 Discovered open port 111/tcp on 192.168.0.101 Discovered open port 3306/tcp on 192.168.0.101 Discovered open port 957/tcp on 192.168.0.101 The SYN Stealth Scan took 0.30s to scan 1680 total ports. Host server2.linux-console.net (192.168.0.101) appears to be up ... good. Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 957/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.485 seconds Raw packets sent: 1681 (73.962KB) | Rcvd: 1681 (77.322KB)
Skenēt vairākus uzņēmējus
Varat skenēt vairākus resursdatorus, vienkārši ierakstot to IP adreses vai resursdatora nosaukumus, izmantojot Nmap.
nmap 192.168.0.101 192.168.0.102 192.168.0.103 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:06 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 957/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 3 IP addresses (1 host up) scanned in 0.580 seconds
4. Skenējiet visu apakštīklu
Izmantojot Nmap, varat skenēt visu apakštīklu vai IP diapazonu, nodrošinot ar to * aizstājējzīmi.
nmap 192.168.0.* Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:11 EST Interesting ports on server1.linux-console.net (192.168.0.100): Not shown: 1677 closed ports PORT STATE SERVICE 22/tcp open ssh 111/tcp open rpcbind 851/tcp open unknown Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 957/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 256 IP addresses (2 hosts up) scanned in 5.550 seconds You have new mail in /var/spool/mail/root
Virs iepriekšējās izejas jūs varat redzēt, ka nmap skenēja visu apakštīklu un sniedza informāciju par tiem tīklā esošajiem saimniekiem.
5. Skenējiet vairākus serverus, izmantojot pēdējo IP adreses oktetu
Varat veikt skenēšanu uz vairākām IP adresēm, vienkārši norādot pēdējo IP adreses oktetu. Piemēram, šeit es skenēju IP adreses 192.168.0.101, 192.168.0.102 un 192.168.0.103.
nmap 192.168.0.101,102,103 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:09 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 957/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 3 IP addresses (1 host up) scanned in 0.552 seconds You have new mail in /var/spool/mail/root
6. Skenējiet saimnieku sarakstu no faila
Ja jums ir vairāk saimniekdatoru, kurus skenēt, un visa resursdatora informācija ir ierakstīta failā, varat tieši lūgt nmap lasīt šo failu un veikt skenēšanu. Apskatīsim, kā to izdarīt.
Izveidojiet teksta failu ar nosaukumu “nmaptest.txt” un definējiet visas servera IP adreses vai resursdatora nosaukumu, kuru vēlaties skenēt.
cat > nmaptest.txt localhost server2.linux-console.net 192.168.0.101
Pēc tam palaidiet šādu komandu ar opciju “iL” ar komandu nmap, lai skenētu visu failā norādīto IP adresi.
nmap -iL nmaptest.txt Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-18 10:58 EST Interesting ports on localhost.localdomain (127.0.0.1): Not shown: 1675 closed ports PORT STATE SERVICE 22/tcp open ssh 25/tcp open smtp 111/tcp open rpcbind 631/tcp open ipp 857/tcp open unknown Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 958/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 958/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 3 IP addresses (3 hosts up) scanned in 2.047 seconds
7. Skenējiet IP adrešu diapazonu
Veicot skenēšanu ar Nmap, varat norādīt IP diapazonu.
nmap 192.168.0.101-110 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:09 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 957/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 10 IP addresses (1 host up) scanned in 0.542 seconds
8. Skenējiet tīklu, izņemot attālos resursdatorus
Varat izslēgt dažus resursdatorus, veicot pilnu tīkla skenēšanu vai skenējot ar aizstājējzīmēm ar opciju “- izslēgt”.
nmap 192.168.0.* --exclude 192.168.0.100 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:16 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 957/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 255 IP addresses (1 host up) scanned in 5.313 seconds You have new mail in /var/spool/mail/root
9. Skenējiet OS informāciju un Traceroute
Izmantojot Nmap, varat noteikt, kura OS un versija darbojas attālajā resursdatorā. Lai iespējotu OS un versiju noteikšanu, skriptu skenēšanu un izsekošanu, mēs varam izmantot opciju “-A” ar NMAP.
nmap -A 192.168.0.101 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:25 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 80/tcp open http Apache httpd 2.2.3 ((CentOS)) 111/tcp open rpcbind 2 (rpc #100000) 957/tcp open status 1 (rpc #100024) 3306/tcp open mysql MySQL (unauthorized) 8888/tcp open http lighttpd 1.4.32 MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) No exact OS matches for host (If you know what OS is running on it, see http://www.insecure.org/cgi-bin/nmap-submit.cgi). TCP/IP fingerprint: SInfo(V=4.11%P=i686-redhat-linux-gnu%D=11/11%Tm=52814B66%O=22%C=1%M=080027) TSeq(Class=TR%IPID=Z%TS=1000HZ) T1(Resp=Y%DF=Y%W=16A0%ACK=S++%Flags=AS%Ops=MNNTNW) T2(Resp=N) T3(Resp=Y%DF=Y%W=16A0%ACK=S++%Flags=AS%Ops=MNNTNW) T4(Resp=Y%DF=Y%W=0%ACK=O%Flags=R%Ops=) T5(Resp=Y%DF=Y%W=0%ACK=S++%Flags=AR%Ops=) T6(Resp=Y%DF=Y%W=0%ACK=O%Flags=R%Ops=) T7(Resp=Y%DF=Y%W=0%ACK=S++%Flags=AR%Ops=) PU(Resp=Y%DF=N%TOS=C0%IPLEN=164%RIPTL=148%RID=E%RIPCK=E%UCK=E%ULEN=134%DAT=E) Uptime 0.169 days (since Mon Nov 11 12:22:15 2013) Nmap finished: 1 IP address (1 host up) scanned in 22.271 seconds You have new mail in /var/spool/mail/root
Iepriekš redzamajā sadaļā Output varat redzēt, ka nmap ir nācis klajā ar OS TCP/IP pirkstu nospiedumu, kas darbojas attālajos resursdatoros un ir precīzāk aprakstīts ostā un pakalpojumos, kas darbojas attālajos resursdatoros.
10. Iespējojiet OS noteikšanu ar Nmap
Izmantojiet opciju “-O” un “-osscan-guess” arī palīdz atklāt OS informāciju.
nmap -O server2.linux-console.net Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 17:40 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 957/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) No exact OS matches for host (If you know what OS is running on it, see http://www.insecure.org/cgi-bin/nmap-submit.cgi). TCP/IP fingerprint: SInfo(V=4.11%P=i686-redhat-linux-gnu%D=11/11%Tm=52815CF4%O=22%C=1%M=080027) TSeq(Class=TR%IPID=Z%TS=1000HZ) T1(Resp=Y%DF=Y%W=16A0%ACK=S++%Flags=AS%Ops=MNNTNW) T2(Resp=N) T3(Resp=Y%DF=Y%W=16A0%ACK=S++%Flags=AS%Ops=MNNTNW) T4(Resp=Y%DF=Y%W=0%ACK=O%Flags=Option -O and -osscan-guess also helps to discover OS R%Ops=) T5(Resp=Y%DF=Y%W=0%ACK=S++%Flags=AR%Ops=) T6(Resp=Y%DF=Y%W=0%ACK=O%Flags=R%Ops=) T7(Resp=Y%DF=Y%W=0%ACK=S++%Flags=AR%Ops=) PU(Resp=Y%DF=N%TOS=C0%IPLEN=164%RIPTL=148%RID=E%RIPCK=E%UCK=E%ULEN=134%DAT=E) Uptime 0.221 days (since Mon Nov 11 12:22:16 2013) Nmap finished: 1 IP address (1 host up) scanned in 11.064 seconds You have new mail in /var/spool/mail/root
11. Skenējiet resursdatoru, lai noteiktu ugunsmūri
Zemāk redzamā komanda veiks skenēšanu attālajā resursdatorā, lai noteiktu, vai resursdators izmanto kādu pakešu filtru vai ugunsmūri.
nmap -sA 192.168.0.101 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:27 EST All 1680 scanned ports on server2.linux-console.net (192.168.0.101) are UNfiltered MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.382 seconds You have new mail in /var/spool/mail/root
12. Skenējiet resursdatoru, lai pārbaudītu, vai to aizsargā ugunsmūris
Lai skenētu resursdatoru, ja to aizsargā kāda pakešu filtrēšanas programmatūra vai ugunsmūri.
nmap -PN 192.168.0.101 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:30 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 957/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.399 seconds
13. Uzziniet tiešraides resursdatorus tīklā
Ar opcijas “-sP” palīdzību mēs varam vienkārši pārbaudīt, kuri resursdatori tīklā dzīvo un darbojas, ar šo opciju nmap izlaiž portu noteikšanu un citas lietas.
nmap -sP 192.168.0.* Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-18 11:01 EST Host server1.linux-console.net (192.168.0.100) appears to be up. Host server2.linux-console.net (192.168.0.101) appears to be up. MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 256 IP addresses (2 hosts up) scanned in 5.109 seconds
14. Veiciet ātru skenēšanu
Varat veikt ātru skenēšanu ar opciju “-F”, lai meklētu nmap-services failos uzskaitītos portus un atstātu visas pārējās ostas.
nmap -F 192.168.0.101 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:47 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1234 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.322 seconds
15. Atrodiet Nmap versiju
Jūs varat uzzināt Nmap versiju, kuru izmantojat savā datorā, izmantojot opciju “-V”.
nmap -V Nmap version 4.11 ( http://www.insecure.org/nmap/ ) You have new mail in /var/spool/mail/root
16. Secīgi skenējiet ostas
Izmantojiet karodziņu “-r”, lai nejaušinātu.
nmap -r 192.168.0.101 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:52 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 957/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.363 seconds
17. Drukāt resursdatora saskarnes un maršrutus
Izmantojot nmap, varat uzzināt resursdatora saskarni un maršruta informāciju, izmantojot nmap.
nmap --iflist Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 17:07 EST ************************INTERFACES************************ DEV (SHORT) IP/MASK TYPE UP MAC lo (lo) 127.0.0.1/8 loopback up eth0 (eth0) 192.168.0.100/24 ethernet up 08:00:27:11:C7:89 **************************ROUTES************************** DST/MASK DEV GATEWAY 192.168.0.0/0 eth0 169.254.0.0/0 eth0
Iepriekšējā izvadē jūs varat redzēt, ka kartē ir uzskaitītas saskarnes, kas pievienotas jūsu sistēmai, un to attiecīgie maršruti.
18. Meklējiet noteiktu portu
Ir dažādas iespējas, lai atklātu ostas attālajā datorā, izmantojot Nmap. Jūs varat norādīt portu, kuru vēlaties skenēt nmap, izmantojot opciju “-p”, pēc noklusējuma nmap skenē tikai TCP portus.
nmap -p 80 server2.linux-console.net Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 17:12 EST Interesting ports on server2.linux-console.net (192.168.0.101): PORT STATE SERVICE 80/tcp open http MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) sca
19. Skenējiet TCP portu
Varat arī norādīt konkrētus portu tipus un numurus, izmantojot skenēšanu ar nmap.
nmap -p T:8888,80 server2.linux-console.net Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 17:15 EST Interesting ports on server2.linux-console.net (192.168.0.101): PORT STATE SERVICE 80/tcp open http 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.157 seconds
20. Skenējiet UDP portu
nmap -sU 53 server2.linux-console.net Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 17:15 EST Interesting ports on server2.linux-console.net (192.168.0.101): PORT STATE SERVICE 53/udp open http 8888/udp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.157 seconds
21. Skenēt vairākus ostus
Varat arī skenēt vairākas ostas, izmantojot opciju “-p“.
nmap -p 80,443 192.168.0.101 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-18 10:56 EST Interesting ports on server2.linux-console.net (192.168.0.101): PORT STATE SERVICE 80/tcp open http 443/tcp closed https MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.190 seconds
22. Skenējiet ostas pēc tīkla diapazona
Izmantojot izteiksmes, varat skenēt porti ar diapazoniem.
nmap -p 80-160 192.168.0.101
23. Atrodiet resursdatora pakalpojumu versijas numurus
Mēs varam uzzināt servisa versijas, kas darbojas attālajos resursdatoros, izmantojot opciju “-sV”.
nmap -sV 192.168.0.101 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 17:48 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 80/tcp open http Apache httpd 2.2.3 ((CentOS)) 111/tcp open rpcbind 2 (rpc #100000) 957/tcp open status 1 (rpc #100024) 3306/tcp open mysql MySQL (unauthorized) 8888/tcp open http lighttpd 1.4.32 MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 12.624 seconds
24. Skenējiet attālos resursdatorus, izmantojot TCP ACK (PA) un TCP Syn (PS)
Dažreiz pakešu filtrēšanas ugunsmūri bloķē standarta ICMP ping pieprasījumus, tādā gadījumā mēs varam izmantot TCP ACK un TCP Syn metodes, lai skenētu attālinātos resursdatorus.
nmap -PS 192.168.0.101 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 17:51 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 957/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.360 seconds You have new mail in /var/spool/mail/root
25. Skenējiet attālo resursdatoru īpašām ostām, izmantojot TCP ACK
nmap -PA -p 22,80 192.168.0.101 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 18:02 EST Interesting ports on server2.linux-console.net (192.168.0.101): PORT STATE SERVICE 22/tcp open ssh 80/tcp open http MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.166 seconds You have new mail in /var/spool/mail/root
26. Skenējiet attālo resursdatoru īpašām ostām, izmantojot TCP Syn
nmap -PS -p 22,80 192.168.0.101 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 18:08 EST Interesting ports on server2.linux-console.net (192.168.0.101): PORT STATE SERVICE 22/tcp open ssh 80/tcp open http MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.165 seconds You have new mail in /var/spool/mail/root
27. Veiciet slepenu skenēšanu
nmap -sS 192.168.0.101 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 18:10 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 957/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.383 seconds You have new mail in /var/spool/mail/root
28. Pārbaudiet visbiežāk izmantotos portus ar TCP Syn
nmap -sT 192.168.0.101 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 18:12 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 111/tcp open rpcbind 957/tcp open unknown 3306/tcp open mysql 8888/tcp open sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 0.406 seconds You have new mail in /var/spool/mail/root
29. Veiciet TCP nulles skenēšanu, lai apmānītu ugunsmūri
nmap -sN 192.168.0.101 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 19:01 EST Interesting ports on server2.linux-console.net (192.168.0.101): Not shown: 1674 closed ports PORT STATE SERVICE 22/tcp open|filtered ssh 80/tcp open|filtered http 111/tcp open|filtered rpcbind 957/tcp open|filtered unknown 3306/tcp open|filtered mysql 8888/tcp open|filtered sun-answerbook MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems) Nmap finished: 1 IP address (1 host up) scanned in 1.584 seconds You have new mail in /var/spool/mail/root
Pagaidām tas ir ar NMAP, es šajā nopietnā otrajā daļā izdomāšu radošākas NMAP iespējas. Līdz tam sekojiet līdzi mums un neaizmirstiet dalīties ar saviem vērtīgajiem komentāriem.