LPI 303-200: LPIC-3 Exam 303: Security, version 2.0 303-200 Exam Dumps: Updated Questions & Answers (May 2025)

For every file in an eCryptfs directory there exists a corresponding file that contains the encrypted content.

The content of all files in an eCryptfs directory is stored in an archive file similar to a tar file with an additional index to improve performance.

After unmounting an eCryptfs directory, the directory hierarchy and the original file names are still visible, although, it is not possible to view the contents of the files.

When a user changes his login password, the contents of his eCryptfs home directory has to be re-encrypted using his new login password.

eCryptfs cannot be used to encrypt only directories that are the home directory of a regular Linux user.

They group together IP addresses that are assigned to the same network interfaces.

They group together IP addresses and networks that can be referenced by the network routing table.

They group together IP addresses that can be referenced by netfilter rules.

They group together IP and MAC addresses used by the neighbors on the local network.

They group together IP addresses and user names that can be referenced from /etc/hosts allow and /etc/hosts deny

!/var/run/.*

append: /var/log/*

/usr=all

#/bin/

/etc p+i+u+g

ipa trust-add --type ad addom --admin Administrator --password

ipa-ad -add-trust --account ADDOM\Administrator--query-password

net ad ipajoin addom -U Administrator -p

trustmanager add -_domain ad: //addom --user Administrator -w

ipa ad join addom -U Administrator -w

sss_adduser

sss_useradd

sss_add

sss-addlocaluser

sss_local_adduser

subjectAltName = DNS: www example.org, DNS:example.org

extension= SAN: www.example.org , SAN:example.org

subjectAltName: www.example.org , subjectAltName: example.org

commonName = subjectAltName= www.example.org , subjectAltName = example.org

subject= CN= www.example.org , CN=example.org

Xmas Scan

Zero Scan

FIN Scan

IP Scan

UDP SYN Scan

port range 10000:tcp-15000:tcp

port-range tcp 10000-15000

tcp portrange 10000-15000

portrange 10000/tcp-15000/tcp

portrange 10000-15000 and tcp

iptables ~t nat -A POSTROUTING ~o eth0 -j SNAT -to-source 192.0.2.11

iptables ~t nat -A PREROUT1NG -\ eth0 -j SNAT -to-source 192.0.2.11

iptables -t nat -A POSTROUTING H eth0 -j DNAT -to-source 192.0.2.11

iptables -t mangle -A POSTROUTING -i eth0 -j SNAT -to-source 192.0.2.11

iptables -t mangle -A POSTROUTING -0 eth0 -j SNAT -to-source 192.0.2.11