CS144Lab/writeups/lab0.md
2023-02-15 10:09:56 +00:00

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Lab 0 Writeup

My name: [Catfood]

My SUNet ID: [998244353]

I collaborated with: [An orange cat]

This lab took me about [2] hours to do. I [did not] attend the lab session.

My secret code from section 2.1 was: [294080]

  • Optional: I had unexpected difficulty with: [describe]

  • Optional: I think you could make this lab better by: [describe]

  • Optional: I was surprised by: [describe]

  • Optional: I'm not sure about: [describe]

2.1.2

➜  sponge git:(lab0-startercode) ✗ telnet cs144.keithw.org http
Trying 104.196.238.229...
Connected to cs144.keithw.org.
Escape character is '^]'.
GET /hello HTTP/1.1
Host: cs144.keithw.org
Connection: close

HTTP/1.1 200 OK
Date: Tue, 14 Feb 2023 14:17:29 GMT
Server: Apache
Last-Modified: Thu, 13 Dec 2018 15:45:29 GMT
ETag: "e-57ce93446cb64"
Accept-Ranges: bytes
Content-Length: 14
Connection: close
Content-Type: text/plain

Hello, CS144!
Connection closed by foreign host.

2.1.3:

➜  sponge git:(lab0-startercode) ✗ telnet cs144.keithw.org http
Trying 104.196.238.229...
Connected to cs144.keithw.org.
Escape character is '^]'.
GET /lab0/998244353 HTTP/1.1
Host: cs144.keithw.org
Connection: close

HTTP/1.1 200 OK
Date: Tue, 14 Feb 2023 14:18:54 GMT
Server: Apache
X-You-Said-Your-SunetID-Was: 998244353
X-Your-Code-Is: 294080
Content-length: 113
Vary: Accept-Encoding
Connection: close
Content-Type: text/plain

Hello! You told us that your SUNet ID was "998244353". Please see the HTTP headers (above) for your secret code.
Connection closed by foreign host.

2.2: 学校的邮件系统比较智障,做不了

2.3

➜  sponge git:(lab0-startercode) ✗ telnet localhost 9090   
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
fuck
lalal
Connection closed by foreign host.

➜  sponge git:(lab0-startercode) ✗ netcat -v -l -p 9090
Listening on 0.0.0.0 9090
Connection received on localhost 33706
fuck
lalal