delErrs = append(delErrs, cfg.ext.Run(iptablesconstants.IPTables, &iptVer, nil, cmd...))
		}

		for _, cmd := range optionalDeleteCmds {
			err := cfg.ext.Run(iptablesconstants.IPTables, &iptVer, nil, cmd...)
			if err != nil {
				log.Debugf("ignoring error deleting optional iptables rule: %v", err)
			}
		}
	}
	return errors.Join(delErrs...)
}

contents:
  repositories:
    - https://packages.wolfi.dev/os
  keyring:
    - https://packages.wolfi.dev/os/wolfi-signing.rsa.pub
  packages:
    - ca-certificates-bundle
    - wolfi-baselayout
    - glibc
    - iptables
    - ip6tables
    - libnetfilter_conntrack
    - libnfnetlink
    - libmnl
    - libgcc
archs:
  - x86_64
  - aarch64
paths:
- path: /run
  type: directory
  permissions: 0o755
accounts:
  users:

John Howard <******@****.***> 1605827959 -0800

		lines = slices.Filter(lines, func(line string) bool {
			return line != "iptables-save" && line != "ip6tables-save"
		})

		if len(lines) >= 1 && strings.HasPrefix(lines[0], "* ") {
			tableName := lines[0][2:]
			lines = append(lines, "COMMIT")
			tables[tableName] = strings.Join(lines, "\n")
		}
	}
	return tables
}

  && apt-get clean \
  && rm -rf  /var/log/*log /var/lib/apt/lists/* /var/log/apt/* /var/lib/dpkg/*-old /var/cache/debconf/*-old \
  && update-alternatives --set iptables /usr/sbin/iptables-legacy \
  && update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy

# Sudoers used to allow tcpdump and other debug utilities.
RUN useradd -m --uid 1337 istio-proxy && \

	initialized.Do(func() {
		// Setup group namespace so iptables --gid-owner will work
		assert.NoError(t, userns.WriteGroupMap(map[uint32]uint32{userns.OriginalGID(): 0}))
		// Istio iptables expects to find a non-localhost IP in some interface
		assert.NoError(t, exec.Command("ip", "addr", "add", "240.240.240.240/32", "dev", "lo").Run())
		// Put a new file we have permission to access over xtables.lock
		xtables := filepath.Join(t.TempDir(), "xtables.lock")

			srcFiles:      map[string]string{"istio-cni": "cni111", "istio-iptables": "iptables111"},
			expectedFiles: map[string]string{"istio-cni": "cni111", "istio-iptables": "iptables111"},
		},
		{
			name:          "update binaries",
			srcFiles:      map[string]string{"istio-cni": "cni111", "istio-iptables": "iptables111"},
			existingFiles: map[string]string{"istio-cni": "cni000", "istio-iptables": "iptables111"},

	"istio.io/istio/pkg/log"
	"istio.io/istio/tools/istio-iptables/pkg/cmd"
	"istio.io/istio/tools/istio-iptables/pkg/config"
	"istio.io/istio/tools/istio-iptables/pkg/dependencies"
)

// getNs is a unit test override variable for interface create.
var getNs = ns.GetNS

// Program defines a method which programs iptables based on the parameters
// provided in Redirect.
func (ipt *iptables) Program(podName, netns string, rdrct *Redirect) error {

  #
  # The mode used to redirect inbound connections to Envoy. This setting
  # has no effect on outbound traffic: iptables REDIRECT is always used for
  # outbound connections.
  # If "REDIRECT", use iptables REDIRECT to NAT and redirect to Envoy.
  # The "REDIRECT" mode loses source addresses during redirection.
  # If "TPROXY", use iptables TPROXY to redirect to Envoy.
  # The "TPROXY" mode preserves both the source and destination IP

// limitations under the License.

package plugin

// InterceptRuleMgr configures networking tables (e.g. iptables or nftables) for
// redirecting traffic to an Istio proxy.
type InterceptRuleMgr interface {
	Program(podName, netns string, redirect *Redirect) error
}

// Constructor for iptables InterceptRuleMgr
func IptablesInterceptRuleMgr() InterceptRuleMgr {
	return newIPTables()