Buenas tardes, si alguien puede ayudarme, estoy intentando configurar el sistema mas seguro. Puse un firewall con iptables y me salen unos bloqueos en los mensajes del sistema que no entiendo. Pueden verlos en los ficheros adjuntos. Gracias, Roberto
Attachment:
firewall
Description: Binary data
[ 2423.851042] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1792 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2442.850214] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1794 PROTO=2 [ 2453.853016] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1795 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2457.851723] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1796 PROTO=2 [ 2472.851203] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1798 PROTO=2 [ 2483.852965] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1799 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2502.852157] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1801 PROTO=2 [ 2513.854905] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1802 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2517.853530] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1804 PROTO=2 [ 2532.853117] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1805 PROTO=2 [ 2543.854847] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1806 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2562.854072] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1810 PROTO=2 [ 2573.856777] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1811 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2577.855439] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1812 PROTO=2 [ 2592.854997] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1813 PROTO=2 [ 2603.856738] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1814 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2622.855907] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1816 PROTO=2 [ 2633.858640] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1817 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2637.857367] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1818 PROTO=2 [ 2652.856825] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1820 PROTO=2 [ 2663.858637] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1821 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2682.857801] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1823 PROTO=2 [ 2693.860517] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1824 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2697.859214] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1825 PROTO=2 [ 2712.858724] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1826 PROTO=2 [ 2723.860461] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1827 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2742.859708] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1829 PROTO=2 [ 2753.862477] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1830 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2757.861156] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1831 PROTO=2 [ 2772.860586] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1832 PROTO=2 [ 2779.167800] iptables denied: IN=eth0 OUT= MAC=00:17:08:41:c0:89:50:67:f0:b1:1a:06:08:00 SRC=52.43.9.103 DST=192.168.1.33 LEN=83 TOS=0x00 PREC=0x00 TTL=230 ID=3104 DF PROTO=TCP SPT=443 DPT=54957 WINDOW=117 RES=0x00 ACK PSH FIN URGP=0 [ 2801.023863] iptables denied: IN=eth0 OUT= MAC=00:17:08:41:c0:89:50:67:f0:b1:1a:06:08:00 SRC=52.43.9.103 DST=192.168.1.33 LEN=83 TOS=0x00 PREC=0x00 TTL=230 ID=3105 DF PROTO=TCP SPT=443 DPT=54957 WINDOW=117 RES=0x00 ACK PSH FIN URGP=0 [ 2802.861556] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1836 PROTO=2 [ 2817.863012] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1838 PROTO=2 [ 2826.974762] iptables denied: IN=eth0 OUT= MAC=00:17:08:41:c0:89:50:67:f0:b1:1a:06:08:00 SRC=52.39.237.157 DST=192.168.1.33 LEN=83 TOS=0x00 PREC=0x00 TTL=233 ID=40441 DF PROTO=TCP SPT=443 DPT=53125 WINDOW=117 RES=0x00 ACK PSH FIN URGP=0 [ 2843.864227] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1840 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2862.863348] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1842 PROTO=2 [ 2873.866148] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1843 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2877.864877] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1844 PROTO=2 [ 2892.864305] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1845 PROTO=2 [ 2903.866081] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1847 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2922.865320] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1849 PROTO=2 [ 2933.867992] iptables denied: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=192.168.1.255 LEN=92 TOS=0x00 PREC=0x00 TTL=1 ID=1850 PROTO=UDP SPT=520 DPT=520 LEN=72 [ 2937.866684] iptables denied: IN=eth0 OUT= MAC=01:00:5e:00:00:01:50:67:f0:b1:1a:06:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=1851 PROTO=2