A cable attachment device for sealing and retaining a communications cable entering a telecommunications closure through an opening defined in the closure, the device comprising: a housing having a passage through which the communications cable extends, the housing having a first portion and a second portion ; wherein the first portion of the housing is configured to receive a protective tube of the telecommunications cable; wherein the second portion of the housing is configured to engage with the closure; a first seal configured to form a seal between the device and the closure; a second seal configured to form a seal between the interior of the device and the protective tube; a third seal configured to seal between the communications cable and the interior of the device, wherein the third seal circumscribes the communications cable ; a first retaining arrangement configured to couple the device to the closure; a second retaining arrangement configured to hold the protective tube relative to the device; and a third retaining arrangement configured to fix the communications cable relative to the device; wherein the second portion comprises an inlet portion for insertion in the telecommunications closure , and the first portion comprises a locknut portion and a gasblock portion ; an end of the inlet portion comprises a compressible member , and wherein the third seal is configured to be received in a bore of the compressible member ; and the inside of the locknut portion is shaped such that it exerts a force on the compressible member of the inlet portion to compress the third seal when the locknut portion is coupled to the inlet portion , forming the seal between the communications cable and the interior of the device. a housing having a passage through which the communications cable extends, the housing having a first portion and a second portion ; wherein the first portion of the housing is configured to receive a protective tube of the telecommunications cable; wherein the second portion of the housing is configured to engage with the closure; wherein the first portion of the housing is configured to receive a protective tube of the telecommunications cable; wherein the second portion of the housing is configured to engage with the closure; a first seal configured to form a seal between the device and the closure; a second seal configured to form a seal between the interior of the device and the protective tube; a third seal configured to seal between the communications cable and the interior of the device, wherein the third seal circumscribes the communications cable ; a first retaining arrangement configured to couple the device to the closure; a second retaining arrangement configured to hold the protective tube relative to the device; and a third retaining arrangement configured to fix the communications cable relative to the device; wherein the second portion comprises an inlet portion for insertion in the telecommunications closure , and the first portion comprises a locknut portion and a gasblock portion ; an end of the inlet portion comprises a compressible member , and wherein the third seal is configured to be received in a bore of the compressible member ; and the inside of the locknut portion is shaped such that it exerts a force on the compressible member of the inlet portion to compress the third seal when the locknut portion is coupled to the inlet portion , forming the seal between the communications cable and the interior of the device. <EOS>