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C178 - Security+ SYO-601 > Section 15: Network Attacks > Flashcards

Section 15: Network Attacks Flashcards

1
Q

FTP

A

File Transfer Protocol Port 21

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2
Q

SSH, SCP, SFTP

A

Port 22 Secure Shell

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3
Q

23 TCP/UDP

A

Telnet Unencrypted method to remotely

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4
Q

SMTP

A

Port 25 using TCP

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5
Q

DNS

A

Port 53 TCP/UDP

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6
Q

TFTP

A

Simplified version of FTP Port 69 UDP

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7
Q

HTTP

A

80 TCP

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8
Q

Kerberos

A

88 TCP Used for network authentication using a system of tickets within a Windows domain

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9
Q

POP3

A

110 TCP

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10
Q

NNTP

A

119 TCP Network News Transfer Protocol is used to transport Usenet articles

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11
Q

135

A

RPC/DCOM-scm Remote Procedure Call

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12
Q

137-139

A

NetBIOS

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13
Q

143

A

IMAP Internet Message Access Protocol

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14
Q

SNMP

A

161 UDP

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15
Q

SNMPTRAP

A

162

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16
Q

LDAP

A

389 TCP/UDP

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17
Q

HTTPS

A

443 TCP

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18
Q

SMB

A

Server Message Block 445 TCP

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19
Q

SMTP

A

465/587 TCP

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20
Q

Syslog

A

Syslog is used to conduct computer message logging, especially for routers and firewall logs Port 514 UDP

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21
Q

LDAP SSL/TLS

A

636 TCP/UDP

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22
Q

iSCSI

23
Q

FTPS

A

989/990 YCP

24
Q

IMAP4 with SSL/TLS

25
Q

POP3 SSL/TLS

26
Q

Ms-sql-s

27
Q

RADIUS

A

1645/1646 UDP

28
Q

L2TP

29
Q

PPTP

A

1723 TCP/UDP

30
Q

RADIUS

A

1812/1813 (default ports)

31
Q

FCIP

A

3225 TCP.UDP

32
Q

iSCSI Target

33
Q

RDP

A

3389 TCP/UDP

34
Q

Diameter

35
Q

Syslog over TLS

36
Q

How do you stop using certain ports?

A

Turn off the service via task manager, command line net stop service, block the ports at the firewall

37
Q

Denial of Service

A

Any attack to make a computer’s resources unavailable

38
Q

Flood attack

A

sending tons of requests to a server

39
Q

Ping flood

A

Flooding a server with two many pings

40
Q

Smurf attack

A

Sends a ping to subnet broadcast address and devices reply that way

41
Q

Fraggle Attack

A

Attacker sends a UDP echo packet to port 7 (ECHO) and port 19 (CHARGEN) to flood a server with UDP packets - fairly uncommon for today

42
Q

SYN Flood

A

Variant on a DOS attack with just SYN requests

43
Q

Fork Bomb

A

Attack that creates a large number of processes to use up the available processing power of a computer

44
Q

DDOS

A

A group of compromised systems attack a single target simultaneously to create a Denial of Service (DOS)

45
Q

DNS Amplification

A

Attack which relies on the large amount of DNS information that is sent in response to a spoofed query on behalf of the victimized server

46
Q

How do you stop a DDOS?

A

Blackholing or Sinkholing - identifies any attacking IP addresses and routes all their traffic to a non-existent server through the null interface; have an elastic cloud structure that scales up when the load gets heavier

47
Q

Replay Attack

A

Network-based attack where a valid data transmission is fraudulently or maliciously rebroadcast, repeated, or delayed

48
Q

Null Connection

A

A connection to the Windows interprocess communications share (IPC$)

49
Q

Transitive Attacks

A

More of a concept; focuses on the idea of trust, if an attacker can get into one network, they can probably get into the other networks that are similar or connected to that one

50
Q

DNS Poisoning

A

Occurs when the name resolution information is modified in the DNS server’s cache

51
Q

DNSSEC

A

helps protect your cache from poisoning

52
Q

Unauthorized Zone Transfer

A

Occurs when an attacker requests replication of the DNS information to their systems for use in planning future attacks

53
Q

Altered Hosts Files

A

Occurs when an attacker modifies the host file to have the client bypass the DNS server and redirects them to an incorrect or malicious website

C178 - Security+ SYO-601 (30 decks)

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