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50 Cards in this Set
- Front
- Back
NetBIOS datagram service
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UDP 138
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NetBIOS session service
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TCP 139
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IMAP
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TCP 143
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SNMP
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UDP 161
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SNMP Trap
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UDP 162
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LDAP
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TCP 389
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TLS/SSL
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TCP 443
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Microsoft DS (NetBIOS service)
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TCP/UDP 445
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IKE; Internet Security Association and Key Management Protocol
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TCP/UDP 500
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UNIX Syslog
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UDP 514
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L2TP
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UDP 1701
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PPTP
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TCP 1723
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Sun NFS
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TCP 2049
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Microsoft Terminal Services
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TCP 3389
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PCAnywhere data
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TCP 5631
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PCAnywhere status
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UDP 5632
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ICMP protocol #
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1
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TCP protocol #
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6
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UDP protocol #
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17
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Generic Routing Encapsulation (GRE) protocol #
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47
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What is Generic Routing Encapsulation (GRE) used in?
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PPTP connections
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Authentication Header (AH) protocol #
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50
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Encapsulating Security Payload (ESP) protocol #
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51
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What does the -PN switch in nmap indicate?
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"not to ping the target system."
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what does the --packet-trace feature in nmap do?
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"displays a summary of the packets it send in real time"
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what does the sS option in nmap do?
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"indicates a stealth or SYN scan"
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what does teh -T option in nmap do?
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"sets the scanning speed"
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what is the PB switch in nmap do?
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"ICMP Echo requests and TCP port 80 probe"
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What does the -PE switch in nmap do?
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"send only an ICMP echo request message"
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What does the -PS switch in nmap do?
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"sends a TCP SYN packet to each of the ports on the port list"
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What does the PP switch in nmap do?
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"sends ICMP Timestamp query messages"
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What does the PM switch in nmap do?
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"sends ICMP address mask query"
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What does the PR switch in nmap do?
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"sends only ARP messages to identify hosts on the same subnet as the machine"
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by default what ports does nmap scan?
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"TCP ports from 1-1024"
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What is the -sA switch in nmap and why would you use it?
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"utilizes nmaps ACK scan feature. You would do this incase a firewall is blocking incoming SYN packets"
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What does the -sF option in nmap do?
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"sets the FIN control bit"
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What does the -sN option in nmap do?
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"Sets none of the control bits"
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What does the -sX option in nmap do?
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"starts a Xmas tree scan and sets the FIN PSH and URG control bits"
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What is a Maimon scan?
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"set with the -sM option sets the FIN & ACK bits"
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Why would you use a scan with the checksum incorrectly calculated?
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"to see if there is a firewall between u and the host and also to see if a firewall is filtering requests to certain ports"
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How would you start a scan with incorrectly calculated checksums
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"--badsum"
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Does nmap use active or passive OS fingerprinting?
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"active"
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What is an example of a passive OS fingerprinting tool?
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"P0f2"
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What does the first generation Nmap OS fingerprinting look for?
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"TCP sequence prediction
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Where can you find mapping of port numbers to services in Unix/Linux?
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"/etc/services file"
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What does the /usr/share/nmap/nmap-services file contain?
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"list of common services and well known ports"
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What does the -sV option in nmap do?
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"sets it to version scanning"
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What does the -sA option in nmap do
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ACK scan
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What does the -sF option in nmap do
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FIN scan
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What does the -sI option in nmap do
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IDLE scan
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