What are the differences between tunneling and regulare encapsulation?how to block ssh tunneling...
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What are the differences between tunneling and regulare encapsulation?
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What are the differences between tunneling and regulare encapsulation?
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What are the difference between tunneling (https://en.wikipedia.org/wiki/Tunneling_protocol) and regular encapsulation (e.g. TCP/UDP over IP, HTTP/SSH over TCP)?
Is TCP/UDP over IP considered tunneling?
Is HTTP/SSH over TCP considered tunneling?
Thanks.
protocol-theory tunnel
edited 3 hours ago
Zac67
31.3k21961
asked 4 hours ago
TimTim
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add a comment |
What are the difference between tunneling (https://en.wikipedia.org/wiki/Tunneling_protocol) and regular encapsulation (e.g. TCP/UDP over IP, HTTP/SSH over TCP)?
Is TCP/UDP over IP considered tunneling?
Is HTTP/SSH over TCP considered tunneling?
Thanks.
protocol-theory tunnel
edited 3 hours ago
Zac67
31.3k21961
asked 4 hours ago
TimTim
428416
add a comment |
What are the difference between tunneling (https://en.wikipedia.org/wiki/Tunneling_protocol) and regular encapsulation (e.g. TCP/UDP over IP, HTTP/SSH over TCP)?
Is TCP/UDP over IP considered tunneling?
Is HTTP/SSH over TCP considered tunneling?
Thanks.
protocol-theory tunnel
edited 3 hours ago
Zac67
31.3k21961
asked 4 hours ago
TimTim
428416
What are the difference between tunneling (https://en.wikipedia.org/wiki/Tunneling_protocol) and regular encapsulation (e.g. TCP/UDP over IP, HTTP/SSH over TCP)?
Is TCP/UDP over IP considered tunneling?
Is HTTP/SSH over TCP considered tunneling?
Thanks.
protocol-theory tunnel
protocol-theory tunnel
edited 3 hours ago
Zac67
31.3k21961
asked 4 hours ago
TimTim
428416
edited 3 hours ago
Zac67
31.3k21961
asked 4 hours ago
TimTim
428416
edited 3 hours ago
Zac67
31.3k21961
edited 3 hours ago
Zac67
31.3k21961
edited 3 hours ago
Zac67
31.3k21961
31.3k21961
asked 4 hours ago
TimTim
428416
asked 4 hours ago
TimTim
428416
asked 4 hours ago
TimTim
428416
428416
add a comment |
add a comment |
2 Answers
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oldest
votes
Encapsulation is the normal method of using a lower layer mechanism for moving your data. E.g. HTTP is encapsulated by TCP, TCP is encapsulated by IPv4, IPv4 is encapsulated by an Ethernet frame.
Encapsulating backwards or at the same layer - IP in GRE, IP in IPsec, IP in UDP, Ethernet in L2TP, ... is called tunneling. It somewhat ties a knot in your layering model.
The most common use for tunneling is to allow you to pass packets/frames across a network that doesn't support the protocol or addressing scheme. You can tunnel private IP address packets across a public IP network, IPv4 over an IPv6 network or vice versa, Ethernet frames across a layer-3 connection, and so on.
answered 2 hours ago
Zac67Zac67
31.3k21961
Thanks. What does "It somewhat ties a knot in your layering model" mean?
– Tim
2 hours ago
He means that tunneling does not fit into the OSI or TCPIP model very well.
– Ron Trunk
27 mins ago
add a comment |
For me tunnelling is when you have another level of routing and once you reach one destination of one of the layers the datagram progress to another destination, for example when you have two IP layers on the same datagram, and encapsulation is just put information over TCP/UDP, that basically is put information to be read on the destination. Probably other users have better responses and with more detail
answered 3 hours ago
camp0camp0
13111
add a comment |
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2 Answers
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2 Answers
2
active
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votes
Encapsulation is the normal method of using a lower layer mechanism for moving your data. E.g. HTTP is encapsulated by TCP, TCP is encapsulated by IPv4, IPv4 is encapsulated by an Ethernet frame.
Encapsulating backwards or at the same layer - IP in GRE, IP in IPsec, IP in UDP, Ethernet in L2TP, ... is called tunneling. It somewhat ties a knot in your layering model.
The most common use for tunneling is to allow you to pass packets/frames across a network that doesn't support the protocol or addressing scheme. You can tunnel private IP address packets across a public IP network, IPv4 over an IPv6 network or vice versa, Ethernet frames across a layer-3 connection, and so on.
answered 2 hours ago
Zac67Zac67
31.3k21961
Thanks. What does "It somewhat ties a knot in your layering model" mean?
– Tim
2 hours ago
He means that tunneling does not fit into the OSI or TCPIP model very well.
– Ron Trunk
27 mins ago
add a comment |
Encapsulation is the normal method of using a lower layer mechanism for moving your data. E.g. HTTP is encapsulated by TCP, TCP is encapsulated by IPv4, IPv4 is encapsulated by an Ethernet frame.
Encapsulating backwards or at the same layer - IP in GRE, IP in IPsec, IP in UDP, Ethernet in L2TP, ... is called tunneling. It somewhat ties a knot in your layering model.
The most common use for tunneling is to allow you to pass packets/frames across a network that doesn't support the protocol or addressing scheme. You can tunnel private IP address packets across a public IP network, IPv4 over an IPv6 network or vice versa, Ethernet frames across a layer-3 connection, and so on.
answered 2 hours ago
Zac67Zac67
31.3k21961
Thanks. What does "It somewhat ties a knot in your layering model" mean?
– Tim
2 hours ago
He means that tunneling does not fit into the OSI or TCPIP model very well.
– Ron Trunk
27 mins ago
add a comment |
Encapsulation is the normal method of using a lower layer mechanism for moving your data. E.g. HTTP is encapsulated by TCP, TCP is encapsulated by IPv4, IPv4 is encapsulated by an Ethernet frame.
Encapsulating backwards or at the same layer - IP in GRE, IP in IPsec, IP in UDP, Ethernet in L2TP, ... is called tunneling. It somewhat ties a knot in your layering model.
The most common use for tunneling is to allow you to pass packets/frames across a network that doesn't support the protocol or addressing scheme. You can tunnel private IP address packets across a public IP network, IPv4 over an IPv6 network or vice versa, Ethernet frames across a layer-3 connection, and so on.
answered 2 hours ago
Zac67Zac67
31.3k21961
Encapsulation is the normal method of using a lower layer mechanism for moving your data. E.g. HTTP is encapsulated by TCP, TCP is encapsulated by IPv4, IPv4 is encapsulated by an Ethernet frame.
Encapsulating backwards or at the same layer - IP in GRE, IP in IPsec, IP in UDP, Ethernet in L2TP, ... is called tunneling. It somewhat ties a knot in your layering model.
The most common use for tunneling is to allow you to pass packets/frames across a network that doesn't support the protocol or addressing scheme. You can tunnel private IP address packets across a public IP network, IPv4 over an IPv6 network or vice versa, Ethernet frames across a layer-3 connection, and so on.
answered 2 hours ago
Zac67Zac67
31.3k21961
answered 2 hours ago
Zac67Zac67
31.3k21961
answered 2 hours ago
Zac67Zac67
31.3k21961
answered 2 hours ago
Zac67Zac67
31.3k21961
31.3k21961
Thanks. What does "It somewhat ties a knot in your layering model" mean?
– Tim
2 hours ago
He means that tunneling does not fit into the OSI or TCPIP model very well.
– Ron Trunk
27 mins ago
add a comment |
Thanks. What does "It somewhat ties a knot in your layering model" mean?
– Tim
2 hours ago
He means that tunneling does not fit into the OSI or TCPIP model very well.
– Ron Trunk
27 mins ago
Thanks. What does "It somewhat ties a knot in your layering model" mean?
– Tim
2 hours ago
Thanks. What does "It somewhat ties a knot in your layering model" mean?
– Tim
2 hours ago
He means that tunneling does not fit into the OSI or TCPIP model very well.
– Ron Trunk
27 mins ago
He means that tunneling does not fit into the OSI or TCPIP model very well.
– Ron Trunk
27 mins ago
add a comment |
For me tunnelling is when you have another level of routing and once you reach one destination of one of the layers the datagram progress to another destination, for example when you have two IP layers on the same datagram, and encapsulation is just put information over TCP/UDP, that basically is put information to be read on the destination. Probably other users have better responses and with more detail
answered 3 hours ago
camp0camp0
13111
add a comment |
For me tunnelling is when you have another level of routing and once you reach one destination of one of the layers the datagram progress to another destination, for example when you have two IP layers on the same datagram, and encapsulation is just put information over TCP/UDP, that basically is put information to be read on the destination. Probably other users have better responses and with more detail
answered 3 hours ago
camp0camp0
13111
add a comment |
For me tunnelling is when you have another level of routing and once you reach one destination of one of the layers the datagram progress to another destination, for example when you have two IP layers on the same datagram, and encapsulation is just put information over TCP/UDP, that basically is put information to be read on the destination. Probably other users have better responses and with more detail
answered 3 hours ago
camp0camp0
13111
For me tunnelling is when you have another level of routing and once you reach one destination of one of the layers the datagram progress to another destination, for example when you have two IP layers on the same datagram, and encapsulation is just put information over TCP/UDP, that basically is put information to be read on the destination. Probably other users have better responses and with more detail
answered 3 hours ago
camp0camp0
13111
answered 3 hours ago
camp0camp0
13111
answered 3 hours ago
camp0camp0
13111
answered 3 hours ago
camp0camp0
13111
13111
add a comment |
add a comment |
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