質問編集履歴
2
tcpdumpコマンドの出力内容の修正とip routeコマンドの出力内容の追記
test
CHANGED
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File without changes
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test
CHANGED
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@@ -56,19 +56,33 @@
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56
56
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57
57
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<Server2の情報>
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58
58
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59
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-
・tcpdumpコマンドを実行した際の出力
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59
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+
・tcpdumpコマンドを実行した際の出力 (修正)
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60
60
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61
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-
t
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61
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+
root@server2:/home/tsubasa# tcpdump -i any icmp
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62
62
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63
63
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tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
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64
64
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65
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-
listening on
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65
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+
listening on any, link-type LINUX_SLL (Linux cooked), capture size 262144 bytes
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66
66
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67
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-
10:
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67
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+
12:07:27.170769 IP 10.0.1.1 > server2: ICMP echo request, id 18611, seq 137, length 64
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68
68
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69
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-
10:
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69
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+
12:07:28.194847 IP 10.0.1.1 > server2: ICMP echo request, id 18611, seq 138, length 64
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70
70
|
|
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71
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-
10:
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71
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+
12:07:29.218772 IP 10.0.1.1 > server2: ICMP echo request, id 18611, seq 139, length 64
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72
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+
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73
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+
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74
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+
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75
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+
・ip routeコマンドを実行した際の出力 (追記)
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76
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+
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77
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+
root@server2:/home/tsubasa# ip route
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78
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+
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79
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+
default via 10.31.22.1 dev eno1 proto static
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80
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+
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81
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+
10.0.1.0/24 dev eth1 proto kernel scope link src 10.0.1.2
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82
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+
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83
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+
10.31.22.0/24 dev eno1 proto kernel scope link src 10.31.22.34
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84
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+
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85
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+
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72
86
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73
87
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74
88
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1
Server2でのファイアウォール設定を追記
test
CHANGED
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File without changes
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test
CHANGED
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@@ -69,3 +69,25 @@
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69
69
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10:39:54.594341 IP 10.0.1.1 > server2: ICMP echo request, id 18503, seq 56, length 64
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70
70
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71
71
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10:39:55.618373 IP 10.0.1.1 > server2: ICMP echo request, id 18503, seq 57, length 64
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72
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+
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73
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+
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74
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+
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75
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+
・ファイアウォール設定 (追記)
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76
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+
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77
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+
tsubasa@server2:~/tutorials/exercises/basic/solution$ sudo iptables -L
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78
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+
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79
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+
Chain INPUT (policy ACCEPT)
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80
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+
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81
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+
target prot opt source destination
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82
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+
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83
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+
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84
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+
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85
|
+
Chain FORWARD (policy ACCEPT)
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86
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+
|
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87
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+
target prot opt source destination
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88
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+
|
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89
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+
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90
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+
|
|
91
|
+
Chain OUTPUT (policy ACCEPT)
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92
|
+
|
|
93
|
+
target prot opt source destination
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