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isc:labs:01 [2023/10/08 20:23] florin.stancu |
isc:labs:01 [2024/03/03 13:05] (current) vlad_iulius.nastase [Preparation] |
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| ===== Preparation ===== | ===== Preparation ===== | ||
| - | <del>You will solve this lab inside a virtual machine on [[https://cloud.grid.pub.ro|openstack]].</del> | + | You may use the UPB's [[https://cloud.grid.pub.ro|OpenStack cloud to instantiate a Virtual Machine]] to be used for this lab! |
| + | [[:isc:info:virtualmachine|Read these instructions if you wanna know how!]]. | ||
| - | OpenStack will be made available in the following days, until then, you can use your native OS for doing the labs (hint: WSL). | ||
| <hidden> | <hidden> | ||
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| * Statically compile the program (but keep a copy of the old, shared executable). | * Statically compile the program (but keep a copy of the old, shared executable). | ||
| * **Hint:** curl-config %%--%%static-libs | * **Hint:** curl-config %%--%%static-libs | ||
| - | * **Hint:** Note that you'll need even more development libraries: libidn11-dev librtmp-dev libssl-dev libidn11-dev librtmp-dev libssl-dev libcrypto++-dev libkrb5-dev libldap2-dev libnghttp2-dev libpsl-dev | + | * **Hint:** Note that you'll need even more development libraries: libidn11-dev librtmp-dev libssl-dev libcrypto++-dev libkrb5-dev libldap2-dev libnghttp2-dev libpsl-dev libssh-dev libzstd-dev libbrotli-dev |
| * **Hint:** Getting a pthread-related linker error? Try //-lpthread// at the end of the gcc command! | * **Hint:** Getting a pthread-related linker error? Try //-lpthread// at the end of the gcc command! | ||
| * Check the size difference. What does it mean? | * Check the size difference. What does it mean? | ||
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| </solution> | </solution> | ||
| - | ==== 10. [10p]Logging & Auditing ==== | ||
| - | |||
| - | * Write an **iptables** rule that logs all the traffic generated by curl. | ||
| - | |||
| - | <solution -hidden> | ||
| - | <code bash> | ||
| - | $ iptables -I OUTPUT 1 -p tcp --dport 80 -j LOG --log-prefix " iptables_logs: " --log-level 7 | ||
| - | |||
| - | $ grep "iptables_logs: " /var/log/kern.log | ||
| - | </code> | ||
| - | </solution> | ||
| ===== Feedback ===== | ===== Feedback ===== | ||
| {{page>:isc:lab-feedback&nofooter&noeditbutton}} | {{page>:isc:lab-feedback&nofooter&noeditbutton}} | ||
