Using the following snort rule as a model, write a rule that would detect all the packets shown (1-6): alert tcp any any -> any 80 (msg:"LOCAL my message"; content:"my content"; nocase; sid:1000110; rev:1;) Write a rule which will match all the following: 1. 64.12.10.32:8437 -> 204.126.133.22:80 GET /admin/scripts/setup.php 2. 64.12.10.47:8435 -> 204.126.133.22:80 GET /phpAdmin/Setup.php 3. 64.12.10.2:8439 -> 204.126.133.22:80 GET /php2-1- 10/siteadmin/login.php 4. 64.12.10.18:2173 -> 204.126.133.23:80 POST /admin/scripts/setup.php 5. 64.12.11.2:2174 -> 204.126.133.23:80 GET /php2-1- 10/admin/main/setup.php 6. 64.12.11.2:2176 -> 204.126.133.23:80 GET /ADMIN/PHP/SCRIPTS/login.ph ep Note: Full points are given only if your rule is precise and doesn't generate a lots of false positives.

Using the following snort rule as a model, write a rule that would detect all the packets shown (1-6): alert tcp any any -> any 80 (msg:"LOCAL my message"; content:"my content"; nocase; sid:1000110; rev:1;) Write a rule which will match all the following: 1. 64.12.10.32:8437 -> 204.126.133.22:80 GET /admin/scripts/setup.php 2. 64.12.10.47:8435 -> 204.126.133.22:80 GET /phpAdmin/Setup.php 3. 64.12.10.2:8439 -> 204.126.133.22:80 GET /php2-1- 10/siteadmin/login.php 4. 64.12.10.18:2173 -> 204.126.133.23:80 POST /admin/scripts/setup.php 5. 64.12.11.2:2174 -> 204.126.133.23:80 GET /php2-1- 10/admin/main/setup.php 6. 64.12.11.2:2176 -> 204.126.133.23:80 GET /ADMIN/PHP/SCRIPTS/login.ph ep Note: Full points are given only if your rule is precise and doesn't generate a lots of false positives.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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This is not a graded question, so don't discard it . Previously somebody did it wrong , This time i will report and downvote . Try ony if you are 100% sure.
Using the following snort rule as a model, write one rule that would detect all of the packets shown: alert tcp any 80 -> any any (msg:"LOCAL my message"; content:"my content"; nocase; sid:1000110; rev:1;) Write a rule which will match all the following: 1. 64.12.10.32:8437 -> 204.126.133.22:80 GET /item.php? id=2&and&1=1 2. 64.12.10.47:8435 -> 204.126.133.22:80 GET /admin/sql/item.php? id=2/Setup.php 3. 64.12.10.2:8439 -> 204.126.133.22:80 GET /admin/login/item.php? id=2/userinfo.php 4. 64.12.10.18:2173 -> 204.126.133.23:80 POST /admin/adduser? item.php?id=2 5. 64.12.11.2:2174 -> 204.126.133.23:80 GET /php2-1- 1/admin/item.php?1=1 Answer:
uppose that you are the ‘subnetting expert’ of a PTCL Co. which deals with network configuration for various companies. ”PTCL” is granted a block of addresses starting with 160.100.0.0/16 (65,536 addresses). Your first assignment to distribute these addresses to three different companies as follows: The companies are named as JAZZ, UFONE, and Telenor.a. The first JAZZ has 64 customers; each needs 256 addresses.b. The second UFONE has 128 customers; each needs 128 addressesc. The third Telenor has 128 customers; each needs 64 addresses.Design the subblocks and find out how many addresses are still available after these allocations.
what valid host range is the ip address 192.168.112.173/28 a part of , Instead of using a standard dot-decimal format, the subnet mask, which is /28, of this IP is shown in CIDR representation (we'll talk about it later in class). The 28 after slash tells the first 28 bits of the given IP are network ID bits, which also implies the rest of 32-28 or 4 bits of the given IP are host ID bits. In other words, subnet mask /28 is equivalent to 255.255.255.240 in dot-decimal format. In the answer of this question, find the minimum IP of the host range, and find maximum IP
Can anyone help me with basic client-server interaction using TCP sockets in network programming in c code that includes csapp.c and csapp.h. and a text file of the student record that include first name, last name, age, major, and graducation year. The ideas is have 4 choice: Add record, Search Age Range, Search graducation year, and Terminate. In opition 1, it should collect all the data to the text file, in opition 2, it should search for age range from the text file. in opition 3, it should search the graducation year from the text file and if the year is not there it should print record not found. And opition 4, the client should close the connection and terminate. studentRecord.txt: John,Doe,24,Computer Science,2023Jane,Doe,22,Mechanical Engineering,2020Charles,Babbage,21,Math,2022George,Bool,25,Math,2023Marie,Curie,26,Chemistry,2023 I know this isn't enough but I want to understand about the client-server interaction using socket interface. So please try to make it simple…
0x0000000000400ef2 <+0>: sub $0x8,%rsp 0x0000000000400ef6 <+4>: mov $0x402470,%esi 0x0000000000400efb <+9>: callq 0x401323 <strings_not_equal> 0x0000000000400f00 <+14>: test %eax,%eax 0x0000000000400f02 <+16>: jne 0x400f09 <phase_1+23> 0x0000000000400f04 <+18>: add $0x8,%rsp 0x0000000000400f08 <+22>: retq 0x0000000000400f09 <+23>: callq 0x40154a <explode_bomb> 0x0000000000400f0e <+28>: jmp 0x400f04 <phase_1+18>.
Java Network protocol programming You are required to program a client and a server application using TCP based socket. The client should send a message to the server of the following format Operation operand1 operand2 Where Operation is either add, subtract, multiply, or divide. Operand 1 and Operand2 are two integers. The server should distingues the required operation and perform it over the two operands. The result of carrying out this operation should be sent back to the client. The client should present the result to the user. The work have to be within a group of two. One student should focus on implementing the client side while the other should focus on the server. Both student should fully understand and be able to modify and explain both sides the client and the server. Rubrics are as follows 1- Well organized commented out code. : 2- Correct implementation of the protocol described above. 3- Clear and easy to use interface with the user. 4- Fully running code.
A TCP endpoint can abort the connection, which entails the sending of a RST Packet rather than a FIN. The endpoint then moves directly to TIMEWAIT. To abort a connection using the Berkeley socket library, one first sets the SOLLINGER socket option, with a linger time of 0. At this point an application close() triggers an abort as above, rather than the sending of a FIN.
An ISP (Internet Service Provider) is granted a block of addresses starting with 190.100.0.0/ 22. The ISP needs to distribute these addresses to three groups of customers as follows: a . The first group has 60 customers . b . The second group has 120 customers . c . The third group has 120 customers . Design the blocks and find out how many addresses are sull available after these allocations.
Breakdown each part of the following rules and tell what each segment does iptables -t filter -A INPUT -s 221.98.146.40 -j DROP i. What would happen here if we omitted the ‘-t filter’option? iptables -A INPUT -p tcp --dport ssh -j DROP c. iptables -A INPUT -p udp --dport ftp -j REJECT d. iptables -A INPUT -p tcp --dport 443 -j ACCEPT e. iptables -A INPUT -m iprange --src-range 192.168.40.25-192.168.40.35 -j DROP
Explain what this rule does: alert tcp any any -> 192.168.1.0/24 80 (content:”|A1 CC 35 87|”; msg:”accessing port 80 on local”).
Test IPs that your system has recently contacted to see if they are still reachable. # Loop over the output of ip n # Use $(echo | cut) to parse just the IP address # Ping the IP once to see if it is alive # Test the exit code and report that the IP is "UP" or "DOWN" 3. Optionally, clean up the output # Using /dev/null, hide the output of ping so that only your IP UP/DOWN is displayed