You have recently added a server to your network that will host data used and updated by employees. You want to monitor security events on the system. Which of these is the most important security event to monitor? Select one: a. UDP connections b. Data modifications c. TCP connections d. Account logon attempts
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- Your firewall is configured to allow traffic to flow in and out of your network. GIVEN THE SETTING BELOW FOR THE FIREWALL RULE: Rule Name: DNS Rule Source IP: DNS / Source Port: 53 Destination IP: Any / Destination Port: * Protocol: Any What traffic flows through the firewall? IF SOME ACTIVE ATTACKS ARE ADDED FROM THE LIST. Is the rule sufficient to allow traffic to flow for a typical network? Why or why not? Do any of the active attacks now work against machines behind the firewall?Jane Smith is responsible for security at the ABC Company. She has a moderate budget with which to purchase security solutions. To date, she has installed a router-based firewall between the network and the outside world. She also has a commercial virus scanner on every machine on the network. How would you assess Jane’s security requirements? (See Select Systems Controls in Research Materials.) Describe three security controls Jane might be missing. https://youtu.be/vKFtEt_i62oCreate a firewall rule for sales to block a specific port. Which port are you blocking? Which protocol uses that port? Provide a screenshot of your work
- Which of the following statements about firewalls is true? A firewall with a packet filter may block harmful files. Firewalls with packet filters simply accept or reject data packets; they never provide feedback to the source. Each packet that travels through the firewall will be examined by the packet filter firewall. Firewalls using packet filters may examine the application layerWhich Nmap scan result indicates that a server is vulnerable to outdated software attacks? The scan shows open ports with no service versions listed. The scan reveals specific service versions that are known to be outdated and have reported vulnerabilities. The scan shows all ports are closed. The scan results only display active IP addresses without any service information.Add smtp services to firewalld and list the firewall services linux commands only
- Review the default firewall configuration ($ sudo iptables -L-n) and answer questions a. -C. Q1. What is the default policy on the INPUT, OUTPUT, and FORWARD chains in the default firewall configuration? Q2. What firewall rules are in place on the INPUT chain? Specify protocols and ports for which packets are allowed by the rules provided, and under what conditions those packets are allowed. Q3. What firewall rules are in place on the OUTPUT chain? Specify protocols and ports for which packets are allowed by the rules provided, and under what conditions those packets are allowed. Q4. What is the difference between a stateful and a stateless firewall? Is the Linux iptables utility stateful or stateless? Task 3: Modify the Firewall Configuration We will use two shell scripts to modify the firewall configuration. A script called '/etc/extingui.sh' will clear all firewall rules and set the default policy on the INPUT, OUTPUT, and FORWARD chains to ALLOW all traffic in and out of your…Which of the following attacks leverage spoofed IP addresses? DNS cache poisoning attacks. RST reset attacks launched by a censor. DNS injection attacks launched by a censor. TCP session hijacking.Give a screen shots of these steps below 1.Go to we admin by IP address 2.enter administrator contact and password 3.Then go to again webadmin with new certificate 4.login to webadmin with new password. 5.cancel the wizard. 6.add WAN interface. 7.setup DNS. 8.setup firewall rule.
- Answer all question Q. ensures that the encrypted messages can be viewed only by authorized endpoints? Q. Every IP phone will come with a default ? Q. It is essential to securely lock the phone and the internal servers and also regularly update _to keep up with latest security measures? Q. IP phones provide authentication by forcing the user to enter a password or logging in to the phone? Q. The main purpose of management is to get maximum utilization of the packet maintenance and based VolP networks?Please solve all the following parts: Real-world application. Your new job is working for a small organization. Currently, you have the network pictured below. Your job is to set up a firewall that will protect the office from offsite threats but need to allow traffic to connect to your on-premise web server. Gig0/1 is assigned the IP address 136.244.233.5 a) Between which interfaces would you insert the firewall (remember where your autonomy ends)? b) Assign an IP address to the inside Router interface and Server interface. (Hint: different subnet from the routers outside interface) c) What is the gateway address for the server? d) Create a connection table that blocks all inbound traffic except for connectivity to the webserver.You've configured a URL filtering profile and want to ensure that it logs traffic that matches your profile but does not take further action. What action is this? alert block continue allow