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| author | Camil Staps | 2015-10-13 20:59:20 +0200 |
|---|---|---|
| committer | Camil Staps | 2015-10-13 20:59:20 +0200 |
| commit | 5667cc3df79242093f6fe56521785b7b28b45005 (patch) | |
| tree | 4c7340b4a16f2b2960e6d6480cdfd82e29d072c4 /netsec-assignment5-S4498062/exercise4 | |
| parent | Finish assignment 4 (diff) | |
Diffstat (limited to 'netsec-assignment5-S4498062/exercise4')
| -rw-r--r-- | netsec-assignment5-S4498062/exercise4 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/netsec-assignment5-S4498062/exercise4 b/netsec-assignment5-S4498062/exercise4 new file mode 100644 index 0000000..6df780b --- /dev/null +++ b/netsec-assignment5-S4498062/exercise4 @@ -0,0 +1,6 @@ +The firewall can keep track of the source and destination IPs and ports for +out-going UDP packets. Then, when an UDP packet comes in, it can check of these +same data (though source and destination are swapped) match somewhere in the +table of outgoing packets. If there is a match, the firewall may assume the +incoming packet is a response - and accept it - otherwise, it may drop it. + |