net

package standard library

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Versions in this module

go1

go1.27rc1

Jun 18, 2026

go1.26.4

Jun 2, 2026

go1.26.3

May 7, 2026

go1.26.2

Apr 7, 2026 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.26.1

Mar 6, 2026 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.26.0

Feb 10, 2026 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

Changes in this version

type Dialer

+ func (d *Dialer) DialIP(ctx context.Context, network string, laddr netip.Addr, raddr netip.Addr) (*IPConn, error)

+ func (d *Dialer) DialTCP(ctx context.Context, network string, laddr netip.AddrPort, ...) (*TCPConn, error)

+ func (d *Dialer) DialUDP(ctx context.Context, network string, laddr netip.AddrPort, ...) (*UDPConn, error)

+ func (d *Dialer) DialUnix(ctx context.Context, network string, laddr *UnixAddr, raddr *UnixAddr) (*UnixConn, error)

go1.26rc3

Feb 4, 2026 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.26rc2

Jan 15, 2026 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.26rc1

Dec 16, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.25.11

Jun 2, 2026

go1.25.10

May 7, 2026

go1.25.9

Apr 7, 2026 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.25.8

Mar 6, 2026 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.25.7

Feb 4, 2026 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.25.6

Jan 15, 2026 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.25.5

Dec 2, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.25.4

Nov 5, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.25.3

Oct 13, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.25.2

Oct 7, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.25.1

Sep 3, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.25.0

Aug 12, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.25rc3

Aug 6, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.25rc2

Jul 8, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.25rc1

Jun 11, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24.13

Feb 4, 2026 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24.12

Jan 15, 2026 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24.11

Dec 2, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24.10

Nov 5, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24.9

Oct 13, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24.8

Oct 7, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24.7

Sep 3, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24.6

Aug 6, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24.5

Jul 8, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24.4

Jun 5, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24.3

May 6, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24.2

Apr 1, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24.1

Mar 4, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24.0

Feb 11, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

Changes in this version

type IP

+ func (ip IP) AppendText(b []byte) ([]byte, error)

go1.24rc3

Feb 5, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24rc2

Jan 16, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.24rc1

Dec 13, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.23.12

Aug 6, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.23.11

Jul 8, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.23.10

Jun 5, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.23.9

May 6, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.23.8

Apr 1, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.23.7

Mar 4, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.23.6

Feb 4, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.23.5

Jan 16, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.23.4

Dec 3, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.23.3

Nov 6, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.23.2

Oct 1, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.23.1

Sep 5, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.23.0

Aug 13, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

Changes in this version

type DNSError

+ UnwrapErr error

+ func (e *DNSError) Unwrap() error

type Dialer

+ KeepAliveConfig KeepAliveConfig

+ type KeepAliveConfig struct

+ Count int

+ Enable bool

+ Idle time.Duration

+ Interval time.Duration

type ListenConfig

+ KeepAliveConfig KeepAliveConfig

type TCPConn

+ func (c *TCPConn) SetKeepAliveConfig(config KeepAliveConfig) error

go1.23rc2

Jul 16, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.23rc1

Jun 21, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.22.12

Feb 4, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.22.11

Jan 16, 2025 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.22.10

Dec 3, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.22.9

Nov 6, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.22.8

Oct 1, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.22.7

Sep 5, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.22.6

Aug 6, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.22.5

Jul 2, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.22.4

Jun 4, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.22.3

May 7, 2024 GO-2026-4971 +1 more

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.22.2

Apr 3, 2024 GO-2024-2824 +2 more

GO-2024-2824: Malformed DNS message can cause infinite loop in net

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.22.1

Mar 5, 2024 GO-2024-2824 +2 more

GO-2024-2824: Malformed DNS message can cause infinite loop in net

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.22.0

Feb 6, 2024 GO-2024-2824 +2 more

GO-2024-2824: Malformed DNS message can cause infinite loop in net

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

Changes in this version

type TCPConn

+ func (c *TCPConn) WriteTo(w io.Writer) (int64, error)

go1.22rc2

Jan 24, 2024 GO-2024-2824 +2 more

GO-2024-2824: Malformed DNS message can cause infinite loop in net

GO-2026-4971: Panic in Dial and LookupPort when handling NUL byte on Windows in net

GO-2026-4981: Crash when handling long CNAME response in net

go1.22rc1

Dec 19, 2023 GO-2024-2824 +2 more

GO-2024-2824: Malformed DNS message can cause infinite loop in net