Ihe atụ 29 bara uru nke Iwu NMAP maka Sistemụ Linux/Ndị nchịkwa netwọkụ
Nmap aka Network Mapper bụ ebe mepere emepe yana ngwa ngwa maka sistemụ Linux/ndị nchịkwa netwọkụ. A na-eji Nmap maka inyocha netwọkụ, mee nyocha nchekwa, nyocha netwọkụ na ịchọta ọdụ ụgbọ mmiri mepere emepe na igwe dịpụrụ adịpụ. Ọ na-enyocha ndị ọbịa Live, Sistemụ arụmọrụ, nzacha ngwugwu yana ọdụ ụgbọ mmiri mepere emepe na-agba ọsọ na ndị ọbịa dịpụrụ adịpụ.
Aga m ekpuchi ọtụtụ ojiji NMAP n'akụkụ abụọ dị iche iche na nke a bụ akụkụ mbụ nke nmap dị njọ. N'ebe a na nhazi a, ejirila m sava abụọ na-enweghị firewall iji nwalee ịrụ ọrụ nke iwu Nmap.
- 192.168.0.100 – server1.linux-console.net
- 192.168.0.101 – server2.linux-console.net
# nmap [Scan Type(s)] [Options] {target specification}Otu esi etinye NMAP na Linux
Ọtụtụ n'ime nkesa Linux nke taa dị ka Red Hat, CentOS, Fedoro, Debian na Ubuntu etinyela Nmap na ebe nchekwa ngwugwu ha na-akpọ APT. A na-eji ngwaọrụ abụọ ahụ iji wụnye na jikwaa ngwungwu ngwanrọ na mmelite. Iji tinye Nmap na nkesa kpọmkwem jiri iwu a.
# yum install nmap [on Red Hat based systems] $ sudo apt-get install nmap [on Debian based systems]
Ozugbo ị rụnyechara ngwa nmap kacha ọhụrụ, ị nwere ike soro ntuziaka ntuziaka enyere n'isiokwu a.
1. Nyochaa sistemụ na aha nnabata na adreesị IP
Ngwa Nmap na-enye ụzọ dị iche iche iji nyochaa sistemụ. N'ihe atụ a, m na-eme nyocha site na iji hostname dị ka server2.linux-console.net iji chọpụta ọdụ ụgbọ mmiri, ọrụ na adreesị MAC niile mepere emepe na sistemụ.
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. Nyochaa site na iji -v nhọrọ
Ị nwere ike ịhụ na iwu dị n'okpuru na nhọrọ -v na-enye ozi zuru ezu gbasara igwe dịpụrụ adịpụ.
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)Nyochaa ọtụtụ ndị ọbịa
Ị nwere ike nyochaa ọtụtụ ndị ọbịa site na iji Nmap dee adreesị IP ha ma ọ bụ aha nnabata ha.
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. Nyochaa subnet dum
Ị nwere ike iji Nmap nyochaa subnet ma ọ bụ IP niile site na ịnye * akara ngosi ya.
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
Na mmepụta n'elu ị nwere ike ịhụ na nmap na-enyocha subnet dum wee nye ozi gbasara ndị ọbịa ndị ahụ dị na netwọk.
5. Nyochaa otutu sava site na iji octet ikpeazụ nke adreesị IP
Ị nwere ike ime nyocha na ọtụtụ adreesị IP site na ịkọwapụta octet ikpeazụ nke adreesị IP. Dịka ọmụmaatụ, ebe a, m na-eme nyocha na adreesị IP 192.168.0.101, 192.168.0.102 na 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. Nyochaa ndepụta ndị ọbịa site na faịlụ
Ọ bụrụ na ị nwere ọtụtụ ndị ọbịa ka inyocha na nkọwa ndị ọbịa niile edere na faịlụ, ị nwere ike ịrịọ nmap ozugbo ka ọ gụọ faịlụ ahụ wee mee nyocha. Ka anyị hụ otu esi eme nke ahụ.
Mepụta faịlụ ederede akpọrọ nmaptest.txt wee kọwapụta adreesị IP niile ma ọ bụ aha nnabata nke ihe nkesa nke ịchọrọ ịme nyocha.
cat > nmaptest.txt localhost server2.linux-console.net 192.168.0.101
Na-esote, jiri nhọrọ iL mee iwu na-esonụ na iwu nmap iji nyochaa adreesị IP niile edepụtara na faịlụ ahụ.
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. Nyochaa nso adreesị IP
Ị nwere ike ịkọwapụta nso IP ka ị na-eji Nmap na-eme nyocha.
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. Nyochaa netwọkụ ewezuga ndị ọbịa anya
Ị nwere ike wepu ụfọdụ ndị ọbịa mgbe ị na-eme nyocha netwọkụ zuru oke ma ọ bụ mgbe ị na-eji kaadị ọhịa na-eji nhọrọ -wepu.
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. Nyochaa OS ozi na Traceroute
Site na Nmap, ị nwere ike ịchọpụta OS na ụdị nke na-arụ n'ime onye ọbịa dịpụrụ adịpụ. Iji mee ka nchọpụta OS & ụdị, nyocha edemede na traceroute, anyị nwere ike iji nhọrọ -A na 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
N'ime mmepụta dị n'elu, ị nwere ike ịhụ na nmap ji akara mkpịsị aka TCP/IP nke OS na-agba ọsọ na ndị ọbịa dịpụrụ adịpụ yana ịkọwapụta maka ọdụ ụgbọ mmiri na ọrụ na-agba ọsọ na ndị ọbịa dịpụrụ adịpụ.
10. Kwado nchọpụta OS na Nmap
Jiri nhọrọ “-O” na “-osscan-guess” na-enyekwara aka ịchọpụta ozi OS.
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. Nyochaa onye ọbịa iji chọpụta Firewall
Iwu dị n'okpuru ga-eme nyocha na onye ọbịa dịpụrụ adịpụ iji chọpụta ma ọ bụrụ na ndị ọbịa na-eji ihe nzacha ngwugwu ma ọ bụ Firewall ọ bụla.
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. Nyochaa onye ọbịa iji lelee Firewall chebe ya
Ka inyocha onye nnabata ma ọ bụrụ na echekwabara ya na sọftụwia nzacha ngwugwu ọ bụla ma ọ bụ Firewalls.
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. Chọpụta ndị ọbịa na-ebi ndụ na netwọkụ
Site n'enyemaka nke -sP nhọrọ anyị nwere ike ịlele ndị ọbịa na-ebi na netwọk, na nhọrọ a nmap na-amapụ nchọpụta ọdụ ụgbọ mmiri na ihe ndị ọzọ.
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. Mee ngwa ngwa nyocha
Ị nwere ike ime nyocha ngwa ngwa na nhọrọ -F iji nyochaa ọdụ ụgbọ mmiri ndị edepụtara na faịlụ nmap-services wee hapụ ọdụ ụgbọ mmiri ndị ọzọ niile.
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. Chọta ụdị Nmap
Ị nwere ike chọpụta ụdị Nmap ị na-agba na igwe gị na nhọrọ -V.
nmap -V Nmap version 4.11 ( http://www.insecure.org/nmap/ ) You have new mail in /var/spool/mail/root
16. Nyochaa ọdụ ụgbọ mmiri n'usoro
Jiri ọkọlọtọ “-r” ka ọ ghara imezu ya.
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. Bipụta Host interfaces na ụzọ
Ị nwere ike chọpụta interface nnabata na ozi ụzọ na nmap site na iji nhọrọ -iflist.
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
Na mmepụta dị n'elu, ị nwere ike ịhụ na map ahụ na-edepụta oghere ndị agbakwunyere na sistemụ gị yana ụzọ ha.
18. Nyochaa maka ọdụ ụgbọ mmiri akọwapụtara
Enwere nhọrọ dị iche iche iji chọpụta ọdụ ụgbọ mmiri na igwe dịpụrụ adịpụ nwere Nmap. Ị nwere ike ezipụta ọdụ ụgbọ mmiri ịchọrọ nmap iji nhọrọ -p nyochaa, na ndabara nmap na-enyocha naanị ọdụ ụgbọ mmiri TCP.
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. Nyochaa ọdụ ụgbọ mmiri TCP
Ị nwekwara ike ezipụta ụdị ọdụ ụgbọ mmiri na nọmba na nmap iji nyochaa.
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. Nyochaa ọdụ ụgbọ mmiri UDP
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. Nyochaa ọtụtụ ọdụ ụgbọ mmiri
Ị nwekwara ike nyochaa ọtụtụ ọdụ ụgbọ mmiri site na iji nhọrọ -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. Nyochaa ọdụ ụgbọ mmiri site na oke netwọkụ
Ị nwere ike nyochaa ọdụ ụgbọ mmiri nwere oke site na iji okwu.
nmap -p 80-160 192.168.0.101
23. Chọta nọmba ụdị ọrụ ndị ọbịa
Anyị nwere ike chọpụta ụdị ọrụ nke na-agba ọsọ na ndị ọbịa dịpụrụ adịpụ na nhọrọ -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. Nyochaa ndị ọbịa dịpụrụ adịpụ site na iji TCP ACK (PA) na TCP Syn (PS)
Mgbe ụfọdụ, firewalls nzacha ngwugwu na-egbochi arịrịọ ping ICMP ọkọlọtọ, n'ọnọdụ ahụ, anyị nwere ike iji ụzọ TCP ACK na TCP Syn nyochaa ndị ọbịa dịpụrụ adịpụ.
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. Nyochaa nnabata nnabata maka ọdụ ụgbọ mmiri nwere 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. Nyochaa nnabata nnabata maka ọdụ ụgbọ mmiri nwere 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. Mee nyocha nzuzo
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. Lelee ọdụ ụgbọ mmiri a na-ejikarị na 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. Mee tcp null scan iji ghọgbuo firewall
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
Nke ahụ bụ ya na NMAP ugbu a, aga m ewepụta nhọrọ okike nke NMAP n'akụkụ nke abụọ nke a dị njọ. Ruo mgbe ahụ, nọrọ na nche na anyị ma echefula ịkọrọ gị ihe bara uru.