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| Dynamic Host Configuration Protocol (DHCP) |
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Definition
| Network address configuration |
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| What is the issue of having a rogue DHCP Server? |
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Definition
| Allow unauthorized access, man in the middle attacks, rogue network sniffing, Denial of Service Attacks (Taking all the available IPs). |
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| Editing a host file to make IP addresses redirect where you want. |
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| The first line in a DNS query, it checks for special configurations on naming IP Addresses. |
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| Security Extensions installed in the DNS Server to protect against DNS Spoofing. |
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| A small change in a url that causes you to go to a bad website. |
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| Figuring out information about a system. |
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| It gives administrators a management protocol to manage a switch or a router. |
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| If your timing is off, settings that are timing based and logs are completely thrown out of whack. |
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| What allows client to upload data to the server? |
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Term
What are the following?:
Apache
Tomcat
IIS |
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Definition
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| What are examples of Web Server Hardening? |
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Definition
Installing a SSL Certificate
Have Logs Active
Remove All Sample Files
Use Web Server Management Tools
Place Your Webserver Somewhere Logically and Securely |
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Definition
| Identify a host using PKI digital certificates |
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Term
| SSL Confidentiality and Integrity |
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Definition
| Provide a secure connection between two hosts |
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Term
What are the following?:
•Client requests connection and supplies information about itself
•Server selects best available cipher strength and responds with certificate
•Client checks the certificate then performs session key exchange
•Client and server establish encrypted communications |
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| SSL 1.0 and 2.0 are what? |
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| Offload cryptographic calculations to a dedicated processor |
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| Inspect / intercept encrypted traffic |
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| Log analyzer and alert system |
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| Use Keywords to filter out what can be searched on the internet. |
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Term
What are the following?:
oSTARTTLS - explicit TLS
oSMTPS - implicit TLS |
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Term
What are the following?:
oPort 25 - used for message relay optionally with STARTTLS
oPort 587 - used by mail clients with STARTTLS
oPort 465 - message submission over implicit TLS (SMTPS) |
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| SMTP Common Configurations |
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| Internet Message Access Protocol (IMAP) |
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| Interface a browser email client with a built-in system email client. |
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| Secure/Multipurpose Internet Mail Extensions (S/MIME) |
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Definition
•Authentication and confidentiality using PKI certificates
•Correspondents must exchange and trust certificates
•Separate key pairs for signing and encryption |
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Term
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Definition
| Use the AUTH TLS command to upgrade an unsecure connection established over port 21 to a secure one. |
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| Negotiate an SSL / TLS tunnel before the exchange of any FTP commands (port 990 for the control connection). |
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| Uses Port 22 to transfer files over a client. |
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| FTPS and FTPES is for what? |
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Definition
| Transferring files directly from a browser. |
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| Unified Communications (UC) Servers |
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| Centralize the presence information and coordinate the communication channels. |
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| Unified Communications (UC) Gateways |
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Definition
| Provide interfaces between the various communications technologies. |
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| Unified Communications (UC) Devices |
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| Media Gateway Control Protocol |
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| Media gateways provide what? |
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| An interface between the VoIP network and external voice networks. |
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