40 lines
1.7 KiB
Diff
40 lines
1.7 KiB
Diff
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diff --git a/policy/modules/kernel/corenetwork.te.in b/policy/modules/kernel/corenetwork.te.in
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index 3b5de31..dfd5b61 100644
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--- a/policy/modules/kernel/corenetwork.te.in
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+++ b/policy/modules/kernel/corenetwork.te.in
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@@ -66,11 +66,17 @@ type port_t, port_type;
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sid port gen_context(system_u:object_r:port_t,s0)
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#
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-# port_t is the default type of INET port numbers.
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+# unreserved_port_t is the default type of port numbers > 1024 and non ephemeral
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#
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type unreserved_port_t, port_type, unreserved_port_type;
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#
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+# ephemeral_port_t is the default type of ephemeral port numbers.
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+# cat /proc/sys/net/ipv4/ip_local_port_range
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+#
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+type ephemeral_port_t, port_type;
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+
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+#
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# reserved_port_t is the type of INET port numbers below 1024.
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#
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type reserved_port_t, port_type, reserved_port_type;
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@@ -292,9 +298,12 @@ portcon tcp 512-1023 gen_context(system_u:object_r:hi_reserved_port_t, s0)
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portcon udp 512-1023 gen_context(system_u:object_r:hi_reserved_port_t, s0)
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portcon tcp 1-511 gen_context(system_u:object_r:reserved_port_t, s0)
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portcon udp 1-511 gen_context(system_u:object_r:reserved_port_t, s0)
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-portcon udp 1024-65535 gen_context(system_u:object_r:unreserved_port_t, s0)
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-portcon tcp 1024-65535 gen_context(system_u:object_r:unreserved_port_t, s0)
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-
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+portcon tcp 1024-32767 gen_context(system_u:object_r:unreserved_port_t, s0)
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+portcon tcp 32768-61000 gen_context(system_u:object_r:ephemeral_port_t, s0)
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+portcon tcp 61001-65535 gen_context(system_u:object_r:unreserved_port_t, s0)
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+portcon udp 1024-32767 gen_context(system_u:object_r:unreserved_port_t, s0)
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+portcon udp 32768-61000 gen_context(system_u:object_r:ephemeral_port_t, s0)
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+portcon tcp 61001-65535 gen_context(system_u:object_r:unreserved_port_t, s0)
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########################################
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#
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# Network nodes
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